Vendor advisories

Microsoft Security Response Center

Browse 15,943 advisories from this official source. Search by product, CVE, severity, or advisory ID.

Current Checked about an hour ago Checked every 6 hours

15,943 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-2026-102207
HighCVSS 7.0

Windows Kernel Elevation of Privilege Vulnerability

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

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.

Microsoft Security Response CenterCVE-2026-102206
HighCVSS 6.8

Windows Portable Device MTP Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Portable Device MTP Driver allows an unauthorized attacker to elevate privileges with a physical attack.

Affected productsWindows 10 Version 22H2 for ARM64-based Systems, Windows Server 2022, Windows Server 2022 (Server Core installation), Windows 11 Version 23H2 for x64-based Systems
Fixed versions10.0.19045.7807, 10.0.20348.5761, 10.0.22631.7652, 10.0.26100.33650
Vendor guidance

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

Microsoft Security Response CenterCVE-2026-102205
HighCVSS 7.8

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) 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.

Microsoft Security Response CenterCVE-2026-102203
HighCVSS 8.8

RPC Runtime Remote Code Execution Vulnerability

Access of resource using incompatible type ('type confusion') in RPC Runtime 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.

Microsoft Security Response CenterCVE-2026-102202
HighCVSS 7.8

Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability

Improper access control in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.

Affected productsWindows Server 2022, Windows Server 2022 (Server Core installation), Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems
Fixed versions10.0.20348.5761, 10.0.28000.3231, 10.0.22631.7652, 10.0.26100.9711
Vendor guidance

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

Microsoft Security Response CenterCVE-2026-102201
HighCVSS 7.8

Microsoft Windows Media Foundation Elevation of Privilege Vulnerability

Use after free in Microsoft Windows Media Foundation 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 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems
Fixed versions10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807, 10.0.22631.7652
Vendor guidance

Install KB5126651. Install KB5126657. Install KB5126653. Install KB5127648. Install KB5127646.

Microsoft Security Response CenterCVE-2026-102199
HighCVSS 6.5

Microsoft Windows Codecs Library Denial of Service Vulnerability

Stack-based buffer overflow in Microsoft Windows Codecs Library 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.

Microsoft Security Response CenterCVE-2026-102198
HighCVSS 5.3

Windows Remote Desktop Protocol Information Disclosure Vulnerability

Out-of-bounds read in Windows Remote Desktop Protocol 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.

Microsoft Security Response CenterCVE-2026-102197
HighCVSS 7.0

Windows Broadcast DVR User Service Elevation of Privilege Vulnerability

Use after free in Windows Broadcast DVR User 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, 10.0.19044.7807, 10.0.19045.7807, 10.0.22631.7652
Vendor guidance

Install KB5126651. Install KB5126657. Install KB5126653. Install KB5127648. Install KB5127646.

Microsoft Security Response CenterCVE-2026-102196
HighCVSS 7.8

Windows Broadcast DVR User Service Elevation of Privilege Vulnerability

Use after free in Windows Broadcast DVR User 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, 10.0.19044.7807, 10.0.19045.7807, 10.0.22631.7652
Vendor guidance

Install KB5126651. Install KB5126657. Install KB5126653. Install KB5127648. Install KB5127646.

Microsoft Security Response CenterCVE-2026-102195
HighCVSS 7.0

Windows Broadcast DVR User Service Elevation of Privilege Vulnerability

Use after free in Windows Broadcast DVR User Service 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 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems
Fixed versions10.0.26300.9711, 10.0.26100.9711, 10.0.26200.9711, 10.0.22631.7652
Vendor guidance

Install KB5127648. Install KB5126653. Install KB5127646.

Microsoft Security Response CenterCVE-2026-102194
HighCVSS 7.0

Windows Graphics Kernel Elevation of Privilege Vulnerability

Use after free in Windows Graphics Kernel 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.

Microsoft Security Response CenterCVE-2026-102193
HighCVSS 7.0

Windows Broadcast DVR User Service Elevation of Privilege Vulnerability

Use after free in Windows Broadcast DVR User Service 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 10 Version 1809 for 32-bit Systems, Windows 10 Version 21H2 for 32-bit Systems
Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126657. Install KB5126653. Install KB5127646.

Microsoft Security Response CenterCVE-2026-102192
HighCVSS 7.5

Windows Failover Cluster Denial of Service Vulnerability

Integer underflow (wrap or wraparound) in Windows Failover Cluster 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
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126646.

Microsoft Security Response CenterCVE-2026-102191
HighCVSS 7.0

Windows Storage Elevation of Privilege Vulnerability

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

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.

Microsoft Security Response CenterCVE-2026-102189
HighCVSS 7.0

Windows Storage Elevation of Privilege Vulnerability

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

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.

Microsoft Security Response CenterCVE-2026-102187
HighCVSS 5.5

Windows Kernel Information Disclosure Vulnerability

Use of uninitialized resource in Windows Kernel allows an authorized attacker to disclose information locally.

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. Install KB5126835. Install KB5126836.

Microsoft Security Response CenterCVE-2026-102186
HighCVSS 4.7

Windows Network File System Information Disclosure Vulnerability

Untrusted pointer dereference in Windows Network File System allows an authorized attacker to disclose information locally.

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. Install KB5126835. Install KB5126836.

Microsoft Security Response CenterCVE-2026-100225
HighCVSS 7.0

Windows Storage Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Storage 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.

Microsoft Security Response CenterCVE-2026-100222
HighCVSS 9.8

Network Policy Server (NPS) Remote Code Execution Vulnerability

Heap-based buffer overflow in Network Policy Server (NPS) 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.

Microsoft Security Response CenterCVE-2026-100218
HighCVSS 8.1

Remote Desktop Gateway Service Remote Code Execution Vulnerability

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

Affected productsWindows 11 Version 25H2 for x64-based Systems, Windows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows Server 2025
Fixed versions10.0.26200.9711, 10.0.26300.9711, 10.0.26100.33650, 6.2.9200.26434
Vendor guidance

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

Microsoft Security Response CenterCVE-2026-100217
HighCVSS 7.8

Windows Group Policy Elevation of Privilege Vulnerability

Improper privilege management in Windows Group Policy allows an authorized attacker to elevate privileges locally.

Affected productsWindows Server 2012 R2, Windows Server 2012 R2 (Server Core installation), Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems
Fixed versions6.3.9600.23470, 10.0.14393.9612, 10.0.17763.9376, 10.0.19044.7807
Vendor guidance

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

Microsoft Security Response CenterCVE-2026-100216
HighCVSS 7.0

Windows Storage Elevation of Privilege Vulnerability

Stack-based buffer overflow in Windows Storage 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, 10.0.19044.7807, 10.0.19045.7807, 10.0.20348.5761
Vendor guidance

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

Microsoft Security Response CenterCVE-2026-100214
HighCVSS 8.8

Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability

Deserialization of untrusted data in Dynamics Business Central allows an authorized attacker to execute code over a network.

Affected productsMicrosoft Dynamics NAV 2017 on Windows Server 2012, Microsoft Dynamics NAV 2018 on Windows Server 2012
Fixed versions30713, 11.0.50736.0
Vendor guidance

Release Notes

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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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