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

4,737Advisories collected

2,721Published or updated in 30 days

2,119Marked 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 4,355 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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4,737 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-2026-83996

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

Read the vendor advisory Watch this product

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

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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

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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

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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

Microsoft Security Response CenterCVE-2026-83981

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-2026-83981

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83980

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-2026-83980

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83979

Published Sep 8, 2026

HighCVSS 7.8

Windows Biometric Service Elevation of Privilege Vulnerability

Use after free 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-2026-83979

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83978

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-2026-83978

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83977

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-2026-83977

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83976

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-2026-83976

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83975

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-2026-83975

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83974

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-2026-83974

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83973

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-2026-83973

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83972

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-2026-83972

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83971

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-2026-83971

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83970

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-2026-83970

Read the vendor advisory Watch this product

Microsoft Security Response CenterCVE-2026-83969

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-2026-83969

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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