Vendor advisories

Security advisories from the vendors you use.

Search new and updated bulletins from Microsoft, Citrix, Cisco, Palo Alto Networks, Fortinet, Ivanti, Delinea, Ubuntu, and AWS. We keep each vendor's advisory ID, affected products, CVEs, severity, dates, and available fix guidance together.

Set up product alerts Follow the RSS feed

11Vendor sources

16,850Advisories collected

6,405Published or updated in 30 days

6,992Marked critical or high

Coverage

Connected directly to official vendor sources

The original vendor bulletin remains the authority. SecurityAlert gives you one place to find it and compare the details vendors publish in different formats.

AWS Security Bulletins 171 advisories

CurrentChecked 19 minutes ago

Checked every 15 minutes Browse this vendor's advisories Official source

Apple Security Releases 29 advisories

CurrentChecked 58 minutes ago

Checked hourly Browse this vendor's advisories Official source

Cisco Security Advisories 106 advisories

Check delayedChecked 22 days ago

Checked every 15 minutes Browse this vendor's advisories Official source

Citrix Security Bulletins 24 advisories

CurrentChecked 59 minutes ago

Checked hourly Browse this vendor's advisories Official source

Delinea Security Advisories 14 advisories

CurrentChecked 58 minutes ago

Checked hourly Browse this vendor's advisories Official source

Fortinet PSIRT Advisories 55 advisories

CurrentChecked 4 minutes ago

Checked every 15 minutes Browse this vendor's advisories Official source

Ivanti Security Advisories 9 advisories

CurrentChecked 4 minutes ago

Checked every 15 minutes Browse this vendor's advisories Official source

Microsoft Security Response Center 15,943 advisories

CurrentChecked about an hour ago

Checked every 6 hours Browse this vendor's advisories Official source

Palo Alto Networks Security Advisories 59 advisories

CurrentChecked 4 minutes ago

Checked every 15 minutes Browse this vendor's advisories Official source

SonicWall PSIRT Advisories 11 advisories

CurrentChecked 58 minutes ago

Checked hourly Browse this vendor's advisories Official source

Ubuntu Security Notices 429 advisories

CurrentChecked 19 minutes ago

Checked every 15 minutes Browse this vendor's advisories Official source

16,850 advisories

Each date says whether the vendor published or updated the bulletin. A vendor bulletin describes products that may be affected. It does not prove that the vulnerable product or version is installed in your environment.

RSS for these results

Microsoft Security Response CenterCVE-2026-85336

Published Oct 13, 2026

HighCVSS 5.5

Windows Device Association Service Information Disclosure Vulnerability

Out-of-bounds read in Windows Device Association Service allows an authorized attacker to disclose information locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-85336

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85334

Published Oct 13, 2026

HighCVSS 7.5

Windows Message Queuing Queue Manager Information Disclosure Vulnerability

Out-of-bounds read in Windows Message Queuing Queue Manager allows an unauthorized attacker to disclose information over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-85334

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85333

Published Oct 13, 2026

HighCVSS 6.7

Windows Performance Monitor Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Performance Monitor allows an authorized attacker to elevate privileges locally.

Affected productsWindows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)

Fixed versions6.2.9200.26434, 6.3.9600.23470, 10.0.14393.9612, 10.0.17763.9376

Vendor guidance

Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.

CVE-2026-85333

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85332

Published Oct 13, 2026

HighCVSS 7.8

Windows Device Association Service Elevation of Privilege Vulnerability

Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.

CVE-2026-85332

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85331

Published Oct 13, 2026

HighCVSS 6.5

Windows Device Association Service Information Disclosure Vulnerability

Out-of-bounds read in Windows Device Association Service allows an authorized attacker to disclose information over a network.

Affected productsWindows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems

Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807

Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126836.

CVE-2026-85331

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85329

Published Oct 13, 2026

HighCVSS 7.0

Microsoft Account Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Account allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-85329

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85328

Published Oct 13, 2026

HighCVSS 7.0

Windows Projected File System Elevation of Privilege Vulnerability

Weak authentication in Windows Projected File System allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.

CVE-2026-85328

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85327

Published Oct 13, 2026

HighCVSS 7.8

Windows Print Spooler Components Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.

Affected productsWindows 11 Version 26H2 for ARM64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019

Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807

Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-85327

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85324

Published Oct 13, 2026

HighCVSS 7.5

Active Directory Federation Services (AD FS) Denial of Service Vulnerability

Memory allocation with excessive size value in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.26100.33650, 10.0.14393.9612

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-85324

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85323

Published Oct 13, 2026

HighCVSS 6.8

Network Device Enrollment Service (NDES) Spoofing Vulnerability

Weak authentication in Network Device Enrollment Service (NDES) allows an authorized attacker to perform spoofing over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.26100.33650, 10.0.14393.9612

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-85323

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85322

Published Oct 13, 2026

HighCVSS 7.5

Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability

Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-85322

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85321

Published Oct 13, 2026

HighCVSS 7.5

Active Directory Federation Services (AD FS) Denial of Service Vulnerability

Allocation of resources without limits or throttling in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

Affected productsWindows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.26100.33650, 10.0.14393.9612

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126646. Install KB5126868. Install KB5126836.

CVE-2026-85321

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85320

Published Oct 13, 2026

HighCVSS 5.5

Windows Print Spooler Components Information Disclosure Vulnerability

Use of uninitialized resource in Windows Print Spooler Components allows an authorized attacker to disclose information locally.

Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807

Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-85320

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85319

Published Oct 13, 2026

HighCVSS 7.5

Active Directory Federation Services (AD FS) Denial of Service Vulnerability

Allocation of resources without limits or throttling in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.26100.33650, 10.0.14393.9612

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-85319

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85318

Published Oct 13, 2026

HighCVSS 7.8

Servicing Stack Updates Elevation of Privilege Vulnerability

Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-85318

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-84020

Published Oct 13, 2026

HighCVSS 7.0

Windows Routing and Remote Access Service (RRAS) Elevation of Privilege Vulnerability

Use after free in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

Affected productsWindows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows Server 2022, Windows Server 2022 (Server Core installation)

Fixed versions10.0.26300.9711, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5127648. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646.

CVE-2026-84020

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-84018

Published Oct 13, 2026

HighCVSS 7.0

Windows Print Spooler Components Elevation of Privilege Vulnerability

Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-84018

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-84017

Published Oct 13, 2026

HighCVSS 7.5

Windows Routing and Remote Access Service (RRAS) Denial of Service Vulnerability

Null pointer dereference in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-84017

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-84016

Published Oct 13, 2026

HighCVSS 7.8

Windows EAPHost Service Elevation of Privilege Vulnerability

Out-of-bounds write in Windows EAPHost Service allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-84016

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-84015

Published Oct 13, 2026

HighCVSS 9.8

Remote Access Point-to-Point Protocol (PPP) EAP-TLS Remote Code Execution Vulnerability

Heap-based buffer overflow in Remote Access Point-to-Point Protocol (PPP) EAP-TLS allows an unauthorized attacker to execute code over a network.

Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807

Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-84015

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-84014

Published Oct 13, 2026

HighCVSS 7.0

Windows Device Association Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126836.

CVE-2026-84014

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-84013

Published Oct 13, 2026

HighCVSS 7.8

Windows Telephony Server Elevation of Privilege Vulnerability

Use after free in Windows Telephony Server allows an authorized attacker to elevate privileges locally.

Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807

Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-84013

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-84012

Published Oct 13, 2026

HighCVSS 8.1

Windows Remote Desktop Services Remote Code Execution Vulnerability

Double free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)

Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.26100.33650, 10.0.14393.9612

Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-84012

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-84011

Published Oct 13, 2026

HighCVSS 5.5

Windows SMB Client Security Feature Bypass Vulnerability

Incorrect authorization in Windows SMB Client allows an authorized attacker to bypass a security feature locally.

Affected productsWindows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows Server 2022, Windows Server 2022 (Server Core installation)

Fixed versions10.0.26300.9711, 10.0.20348.5761, 10.0.26100.33650, 10.0.26200.9711

Vendor guidance

Install KB5127648. Install KB5126655. Install KB5126646. Install KB5126653. Install KB5127646.

CVE-2026-84011

Read the vendor advisory Watch this product

Before you act

Start with the vendor's bulletin.

We normalize the fields that vendors publish so you can search and compare advisories in one place. We do not replace the original bulletin or turn a product-name match into proof that a system is vulnerable.

Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.

How we check our sources