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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.
Microsoft Security Response CenterCVE-2026-96956
HighCVSS 8.0
SQL Server Elevation of Privilege Vulnerability
Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
Affected productsMicrosoft SQL Server 2017 for x64-based Systems (CU31), Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2022 for x64-based Systems (CU27)
Fixed versions14.0.3560.2, 14.0.2140.2, 15.0.2200.2, 16.0.4305.5
Vendor guidance
Install KB5128496. Install KB5128497. Install KB5128495. Install KB5126934. Install KB5128492. Install KB5126967. Install KB5128494. Install KB5128493.
Microsoft Security Response CenterCVE-2026-96953
HighCVSS 7.8
Windows Universal Disk Format File System Driver (UDFS) Remote Code Execution Vulnerability
Null pointer dereference in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to execute code 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-2026-96950
HighCVSS 7.8
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Use after free 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-2026-96949
HighCVSS 7.0
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Use after free 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-2026-96948
HighCVSS 5.5
Windows Client Side Caching driver (csc.sys) Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to disclose information locally.
Affected productsWindows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows 10 Version 21H2 for 32-bit 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.
Microsoft Security Response CenterCVE-2026-96947
HighCVSS 7.8
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Use after free 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-2026-96946
HighCVSS 7.8
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Use after free 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-2026-96945
HighCVSS 7.5
Windows Failover Cluster Denial of Service Vulnerability
Uncaught exception 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-2026-96944
HighCVSS 5.5
Windows Storage Information Disclosure Vulnerability
Insertion of sensitive information into externally-accessible file or directory in Windows Storage allows an authorized attacker to disclose information locally.
Affected productsWindows Server 2022, Windows Server 2022 (Server Core installation), Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems
Fixed versions10.0.20348.5761, 10.0.26100.9711, 10.0.26200.9711, 10.0.26300.9711
Vendor guidance
Install KB5126655. Install KB5127648. Install KB5126646. Install KB5127646.
Microsoft Security Response CenterCVE-2026-96939
HighCVSS 7.0
Servicing Stack Updates Elevation of Privilege Vulnerability
Time-of-check time-of-use (toctou) race condition in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.
Affected productsWindows 11 Version 23H2 for x64-based Systems, Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems
Fixed versions10.0.22631.7652, 10.0.26100.9711, 10.0.26200.9711, 10.0.26300.9711
Vendor guidance
Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.
Microsoft Security Response CenterCVE-2026-96937
HighCVSS 7.0
Microsoft Windows Search Component Elevation of Privilege Vulnerability
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
Affected productsWindows 10 Version 21H2 for x64-based Systems, Windows 10 Version 22H2 for 32-bit Systems, Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based 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 KB5127646. Install KB5126655. Install KB5126646.
Microsoft Security Response CenterCVE-2026-96935
HighCVSS 5.5
Windows NTFS Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows NTFS allows an authorized attacker to disclose information 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-2026-96933
HighCVSS 7.8
Windows COM+ Event System Service Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows COM+ Event System 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 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.
Microsoft Security Response CenterCVE-2026-96932
HighCVSS 7.0
Windows Embedded Mode Service Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Embedded Mode Service allows an authorized attacker to elevate privileges locally.
Affected productsWindows Server 2019, Windows Server 2019 (Server Core installation), 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, 10.0.20348.5761
Vendor guidance
Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646. Install KB5126868.
Microsoft Security Response CenterCVE-2026-96931
HighCVSS 7.8
Windows NTFS Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows NTFS 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-2026-96930
HighCVSS 5.5
Windows Universal Disk Format File System Driver (UDFS) Information Disclosure Vulnerability
Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to disclose information locally.
Affected productsWindows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 26H2 for ARM64-based Systems
Fixed versions10.0.26100.9711, 10.0.26200.9711, 10.0.26300.9711, 10.0.26100.33650
Vendor guidance
Install KB5127648. Install KB5126646. Install KB5127646. Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653.
Microsoft Security Response CenterCVE-2026-96929
HighCVSS 7.8
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows 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-2026-96928
HighCVSS 7.8
Windows NTFS Elevation of Privilege Vulnerability
Out-of-bounds read in Windows NTFS 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-2026-96927
HighCVSS 5.5
Windows NTFS Information Disclosure Vulnerability
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
Affected productsWindows 10 Version 22H2 for 32-bit Systems, Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 22H2 for x64-based Systems, Windows Server 2022
Fixed versions10.0.19045.7807, 10.0.20348.5761, 10.0.22631.7652, 10.0.26100.9711
Vendor guidance
Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646. Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651.
Microsoft Security Response CenterCVE-2026-96926
HighCVSS 5.5
Role: DNS Server Tampering Vulnerability
Missing authorization in DNS Server allows an authorized attacker to perform tampering 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 KB5126655. Install KB5126646.
Microsoft Security Response CenterCVE-2026-96925
HighCVSS 5.5
Windows NTFS Information Disclosure Vulnerability
Integer underflow (wrap or wraparound) in Windows NTFS allows an authorized attacker to disclose information 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-2026-96924
HighCVSS 9.8
Windows OLE Remote Code Execution Vulnerability
Untrusted pointer dereference in Windows OLE 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-2026-96923
HighCVSS 7.0
Windows Workstation Service Elevation of Privilege Vulnerability
Use after free in Windows Workstation Service allows an authorized attacker to elevate privileges locally.
Affected productsWindows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems
Fixed versions10.0.26100.9711, 10.0.26200.9711, 10.0.26300.9711, 10.0.26100.33650
Vendor guidance
Install KB5127648. Install KB5126646. Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127646.
Microsoft Security Response CenterCVE-2026-96921
HighCVSS 5.5
Windows Message Queuing Queue Manager Information Disclosure Vulnerability
Access of resource using incompatible type ('type confusion') in Windows Message Queuing Queue Manager allows an authorized attacker to disclose information 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.
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.