Vendor advisories

Microsoft Security Response Center

Browse 4,344 advisories from this official source. Search by product, CVE, severity, or advisory ID.

Current Checked 4 hours ago Checked every 6 hours

4,344 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-2026-72961
CriticalCVSS 8.2

Windows Hyper-V Elevation of Privilege Vulnerability

Out-of-bounds read in Windows Hyper-V 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.

Microsoft Security Response CenterCVE-2026-72960
CriticalCVSS 8.8

Windows Media Player Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Media Player 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.

Microsoft Security Response CenterCVE-2026-72959
CriticalCVSS 8.8

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine

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.

Microsoft Security Response CenterCVE-2026-72958
CriticalCVSS 8.2

Windows Credential Guard Elevation of Privilege Vulnerability

Double free in Windows Credential Guard 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.

Microsoft Security Response CenterCVE-2026-72957
CriticalCVSS 7.8

Windows Deployment Services Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Deployment Services 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, 10.0.26100.33438, 10.0.14393.9512
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.

Microsoft Security Response CenterCVE-2026-72954
CriticalCVSS 7.5

Windows Deployment Services Remote Code Execution Vulnerability

Use after free in Windows Deployment Services allows an authorized 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, 10.0.26100.33438, 10.0.14393.9512
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.

Microsoft Security Response CenterCVE-2026-72950
CriticalCVSS 8.8

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine

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.

Microsoft Security Response CenterCVE-2026-70586
CriticalCVSS 8.8

Windows Paint Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Paint 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.

Microsoft Security Response CenterCVE-2026-70585
CriticalCVSS 7.0

Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability

Use after free in Windows Services for NFS ONCRPC XDR Driver allows an authorized attacker to execute code locally.

Affected productsWindows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.26100.33438, 10.0.14393.9512
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.

Microsoft Security Response CenterCVE-2026-70296
CriticalCVSS 9.8

Windows Imaging Component Remote Code Execution Vulnerability

Out-of-bounds write 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.

Microsoft Security Response CenterCVE-2026-70203
CriticalCVSS 8.8

Windows Media Player Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Media Player 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.

Microsoft Security Response CenterCVE-2026-69906
CriticalCVSS 8.2

Windows Secure Kernel Mode Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Secure Kernel Mode 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.

Microsoft Security Response CenterCVE-2026-69890
CriticalCVSS 7.5

Windows Virtual Trusted Platform Module Elevation of Privilege Vulnerability

Use after free in Windows Virtual Trusted Platform Module 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.

Microsoft Security Response CenterCVE-2026-69874
CriticalCVSS 8.2

Windows ALPC Elevation of Privilege Vulnerability

Untrusted pointer dereference 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 KB5122871. Install KB5124008. Install KB5122880. Install KB5124012.

Microsoft Security Response CenterCVE-2026-69864
CriticalCVSS 7.8

Windows Hello Elevation of Privilege Vulnerability

Use after free in Windows Hello 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 x64-based Systems
Fixed versions10.0.19044.7725, 10.0.19045.7725, 10.0.26200.9445, 10.0.22631.7582
Vendor guidance

Install KB5122878. Install KB5124008. Install KB5122880. Install KB5124012.

Microsoft Security Response CenterCVE-2026-69858
CriticalCVSS 8.1

Windows DNS Server Remote Code Execution Vulnerability

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

Affected productsWindows Server 2022, Windows Server 2022 (Server Core installation), Windows Server 2025 (Server Core installation), Windows Server 2025
Fixed versions10.0.20348.5622, 10.0.26100.33438
Vendor guidance

Install KB5122882. Install KB5122871.

Microsoft Security Response CenterCVE-2026-69852
CriticalCVSS 7.5

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine

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.

Microsoft Security Response CenterCVE-2026-69846
CriticalCVSS 8.2

Windows Secure Kernel Mode Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Secure Kernel Mode 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.

Microsoft Security Response CenterCVE-2026-69845
CriticalCVSS 9.8

Windows DHCP Server Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows DHCP Server 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, 10.0.26100.33438, 10.0.14393.9512
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.

Microsoft Security Response CenterCVE-2026-69829
CriticalCVSS 9.8

Windows Shell Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Shell 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.

Microsoft Security Response CenterCVE-2026-69827
CriticalCVSS 8.1

Windows DNS Server Remote Code Execution Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in DNS Server 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, 10.0.26100.33438, 10.0.14393.9512
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.

Microsoft Security Response CenterCVE-2026-69820
CriticalCVSS 8.2

Windows Hello Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Hello 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 x64-based Systems
Fixed versions10.0.19044.7725, 10.0.19045.7725, 10.0.26200.9445, 10.0.22631.7582
Vendor guidance

Install KB5122878. Install KB5124008. Install KB5122880. Install KB5124012.

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.

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