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.

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11Vendor sources

16,785Advisories collected

6,419Published or updated in 30 days

6,988Marked 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 169 advisories

CurrentChecked 18 minutes ago

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

Apple Security Releases 29 advisories

CurrentChecked 34 minutes ago

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Cisco Security Advisories 104 advisories

Check delayedChecked 21 days ago

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Citrix Security Bulletins 24 advisories

CurrentChecked 34 minutes ago

Checked hourly Browse this vendor's advisories Official source

Delinea Security Advisories 14 advisories

CurrentChecked 34 minutes ago

Checked hourly Browse this vendor's advisories Official source

Fortinet PSIRT Advisories 55 advisories

CurrentChecked 19 minutes ago

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

Ivanti Security Advisories 9 advisories

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

Microsoft Security Response Center 15,888 advisories

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

Palo Alto Networks Security Advisories 59 advisories

CurrentChecked 19 minutes ago

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

SonicWall PSIRT Advisories 11 advisories

CurrentChecked 34 minutes ago

Checked hourly Browse this vendor's advisories Official source

Ubuntu Security Notices 423 advisories

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

16,785 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-2026-97837

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97837

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97836

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

Affected productsWindows Server 2019 (Server Core installation), Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems

Fixed versions10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807, 10.0.20348.5761

Vendor guidance

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

CVE-2026-97836

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97835

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97835

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Microsoft Security Response CenterCVE-2026-97834

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97834

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97833

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97833

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97832

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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, 10.0.22631.7652, 10.0.26100.9711

Vendor guidance

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

CVE-2026-97832

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Microsoft Security Response CenterCVE-2026-97831

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97831

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Microsoft Security Response CenterCVE-2026-97830

Published Oct 13, 2026

HighCVSS 7.5

Windows Internet Information Services Denial of Service Vulnerability

Double free in Windows Internet Information Services allows an unauthorized attacker to deny service over a network.

Affected productsWindows Server 2022, Windows Server 2022 (Server Core installation), Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems

Fixed versions10.0.20348.5761, 10.0.22631.7652, 10.0.26100.9711, 10.0.26200.9711

Vendor guidance

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

CVE-2026-97830

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97829

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97829

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97828

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Buffer over-read in DNS Server 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 KB5126835. Install KB5126836.

CVE-2026-97828

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97827

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97827

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97826

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97826

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97825

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

Affected productsWindows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016, Windows Server 2016 (Server Core installation)

Fixed versions10.0.14393.9612, 10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807

Vendor guidance

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

CVE-2026-97825

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97824

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97824

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97823

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97823

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97822

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97822

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97821

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97821

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97820

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97820

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97819

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97819

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97817

Published Oct 13, 2026

HighCVSS 6.5

Role: DNS Server Information Disclosure Vulnerability

Heap-based buffer overflow in DNS Server allows an authorized attacker to disclose information over a network.

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-2026-97817

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97816

Published Oct 13, 2026

HighCVSS 9.8

Microsoft OpenSSH for Windows Remote Code Execution Vulnerability

Use after free in OpenSSH for Windows 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, 10.0.19044.7807, 10.0.19045.7807, 10.0.20348.5761

Vendor guidance

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

CVE-2026-97816

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97815

Published Oct 13, 2026

HighCVSS 9.8

Windows Error Reporting Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.

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-2026-97815

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97813

Published Oct 13, 2026

HighCVSS 6.5

Windows Hyper-V Information Disclosure Vulnerability

Heap-based buffer overflow in Windows Hyper-V allows an authorized 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, 10.0.19044.7807, 10.0.19045.7807, 10.0.20348.5761

Vendor guidance

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

CVE-2026-97813

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-97812

Published Oct 13, 2026

HighCVSS 7.0

Windows Update Orchestrator Service Elevation of Privilege Vulnerability

Double free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems, Windows 10 Version 22H2 for 32-bit Systems

Fixed versions10.0.19044.7807, 10.0.19045.7807, 10.0.22631.7652, 10.0.26100.9711

Vendor guidance

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

CVE-2026-97812

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