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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9Vendor sources

4,726Advisories collected

2,710Published or updated in 30 days

2,115Marked critical or high

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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 111 advisories

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Cisco Security Advisories 34 advisories

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Citrix Security Bulletins 17 advisories

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Delinea Security Advisories 7 advisories

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Fortinet PSIRT Advisories 40 advisories

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Ivanti Security Advisories 5 advisories

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Microsoft Security Response Center 4,344 advisories

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Palo Alto Networks Security Advisories 39 advisories

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Ubuntu Security Notices 129 advisories

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4,726 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.

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Microsoft Security Response CenterCVE-2026-65818

Published Sep 8, 2026

CriticalCVSS 8.5

Power Automate Elevation of Privilege Vulnerability

Server-side request forgery (ssrf) in Power Automate allows an authorized attacker to elevate privileges over a network.

Affected productsMicrosoft Power Platform

CVE-2026-65818

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Microsoft Security Response CenterCVE-2026-62916

Published Sep 8, 2026

CriticalCVSS 9.1

Microsoft Entra ID Elevation of Privilege Vulnerability

Authentication bypass using an alternate path or channel in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.

Affected productsMicrosoft Entra ID

CVE-2026-62916

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-62906

Published Sep 8, 2026

CriticalCVSS 7.4

Microsoft Discovery Studio Information Disclosure Vulnerability

Improper neutralization of special elements in data query logic in Microsoft Discovery Studio allows an unauthorized attacker to disclose information over a network.

Affected productsMicrosoft Discovery Studio

CVE-2026-62906

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85880

Published Sep 8, 2026

HighCVSS 7.8

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows ALPC 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-85880

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85877

Published Sep 8, 2026

HighCVSS 8.8

Windows Print Spooler Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Print Spooler Components allows an unauthorized attacker to execute code over a network.

Affected productsWindows 11 Version 24H2 for x64-based Systems

Fixed versions10.0.26100.9445

Vendor guidance

Install KB5124008.

CVE-2026-85877

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-85875

Published Sep 8, 2026

HighCVSS 5.5

Microsoft Office Excel Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Affected productsMicrosoft Office 2016 (64-bit edition), Microsoft Office 2016 (32-bit edition), Microsoft 365 Apps for Enterprise for 32-bit Systems, Microsoft Office LTSC 2024 for 32-bit editions

Fixed versions16.0.5569.1003, 16.0.20326.20138, 16.0.17932.20976, 16.0.10417.20207

Vendor guidance

Release Notes Install KB5002904. Install KB5002914.

CVE-2026-85875

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Microsoft Security Response CenterCVE-2026-85360

Published Sep 8, 2026

HighCVSS 7.0

Windows Kernel Elevation of Privilege Vulnerability

Use after free in Windows Kernel 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-85360

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Microsoft Security Response CenterCVE-2026-84003

Published Sep 8, 2026

HighCVSS 7.4

Microsoft Authentication Library (MSAL) for Node.js Spoofing Vulnerability

Authentication bypass by capture-replay in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to perform spoofing over a network.

Affected productsMicrosoft Authentication Library (MSAL) for Node.js

Fixed versions5.6.0

Vendor guidance

Release Notes

CVE-2026-84003

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-84001

Published Sep 8, 2026

HighCVSS 7.5

Windows Key Distribution Center Denial of Service Vulnerability

Out-of-bounds read in Windows Key Distribution Center 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-84001

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Microsoft Security Response CenterCVE-2026-84000

Published Sep 8, 2026

HighCVSS 7.8

Microsoft Graphics Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to execute code 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-84000

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Microsoft Security Response CenterCVE-2026-83999

Published Sep 8, 2026

HighCVSS 7.0

Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.

Affected productsWindows Server 2025 (Server Core installation), Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems

Fixed versions10.0.26100.33438, 10.0.26200.9445, 10.0.26100.9445, 10.0.28000.2954

Vendor guidance

Install KB5122871. Install KB5124008. Install KB5124012.

CVE-2026-83999

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Microsoft Security Response CenterCVE-2026-83998

Published Sep 8, 2026

HighCVSS 8.8

Remote Desktop Client Remote Code Execution Vulnerability

Heap-based buffer overflow in Remote Desktop Client 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-83998

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83997

Published Sep 8, 2026

HighCVSS 8.1

Windows Message Queuing Remote Code Execution Vulnerability

Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.

Affected productsWindows Server 2022, Windows Server 2022 (Server Core installation), Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems

Fixed versions10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725, 10.0.26100.33438

Vendor guidance

Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012.

CVE-2026-83997

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83996

Published Sep 8, 2026

HighCVSS 8.8

Windows Error Reporting Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Error Reporting 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-83996

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Microsoft Security Response CenterCVE-2026-83995

Published Sep 8, 2026

HighCVSS 7.8

Windows NTFS Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows NTFS 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-83995

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83992

Published Sep 8, 2026

HighCVSS 8.8

Windows Imaging Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Imaging Component 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-83992

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83990

Published Sep 8, 2026

HighCVSS 7.8

Microsoft Graphics Component Elevation of Privilege Vulnerability

Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

Affected productsWindows Server 2022, Windows Server 2022 (Server Core installation), Windows Server 2025 (Server Core installation), Windows 11 Version 25H2 for ARM64-based Systems

Fixed versions10.0.20348.5622, 10.0.26100.33438, 10.0.26200.9445, 10.0.22631.7582

Vendor guidance

Install KB5122882. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012.

CVE-2026-83990

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83989

Published Sep 8, 2026

HighCVSS 7.5

Windows Services for NFS ONCRPC XDR Driver Denial of Service Vulnerability

Out-of-bounds read in Windows Services for NFS ONCRPC XDR Driver 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-83989

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83988

Published Sep 8, 2026

HighCVSS 7.8

Windows Biometric Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Biometric 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-83988

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83987

Published Sep 8, 2026

HighCVSS 7.8

Windows Biometric Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Biometric 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-83987

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83986

Published Sep 8, 2026

HighCVSS 7.8

Windows Biometric Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Biometric 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-83986

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83985

Published Sep 8, 2026

HighCVSS 7.8

Windows Biometric Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Biometric 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-83985

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83983

Published Sep 8, 2026

HighCVSS 7.8

Windows Biometric Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Biometric 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-83983

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83982

Published Sep 8, 2026

HighCVSS 7.8

Windows Biometric Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Biometric 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 versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-83982

Read the vendor advisory Watch this product

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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.

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