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16,884 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-2026-69856
HighCVSS 7.0
Windows Storage Elevation of Privilege Vulnerability
Use after free 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, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance
Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.
Microsoft Security Response CenterCVE-2026-69850
HighCVSS 7.8
Windows Certificates Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows Certificates 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 KB5126836.
Microsoft Security Response CenterCVE-2026-69840
HighCVSS 7.0
Windows Certificates Elevation of Privilege Vulnerability
Use after free in Windows Certificates 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, 10.0.20348.5761, 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.
Microsoft Security Response CenterCVE-2026-69830
HighCVSS 8.1
Windows DHCP Server Remote Code Execution Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') 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 versions10.0.17763.9376, 10.0.20348.5761, 10.0.26100.33650, 10.0.14393.9612
Vendor guidance
Install KB5126651. Install KB5126655. Install KB5126646. Install KB5126868. Install KB5126835. Install KB5126836.
Microsoft Security Response CenterCVE-2026-69795
HighCVSS 7.0
Windows Clipboard Server Elevation of Privilege Vulnerability
Null pointer dereference in Windows Clipboard Server 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, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance
Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.
Microsoft Security Response CenterCVE-2026-69783
HighCVSS 7.8
Windows Update Elevation of Privilege Vulnerability
External control of file name or path in Windows Update 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 23H2 for ARM64-based Systems
Fixed versions10.0.26100.33650, 10.0.26200.9711, 10.0.22631.7652, 10.0.26100.9711
Vendor guidance
Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.
Microsoft Security Response CenterCVE-2026-69766
HighCVSS 7.0
Windows Storage Elevation of Privilege Vulnerability
Use after free 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, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance
Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.
Microsoft Security Response CenterCVE-2026-69765
HighCVSS 8.8
Windows Storport Miniport Driver Remote Code Execution Vulnerability
Use after free in Windows Storport Miniport Driver allows an unauthorized attacker to execute code over a network.
Affected productsWindows Server 2025 (Server Core installation), Windows Server 2025
Fixed versions10.0.26100.33650
Vendor guidance
Install KB5126646.
Microsoft Security Response CenterCVE-2026-69763
HighCVSS 7.0
Windows Storage Elevation of Privilege Vulnerability
Use after free in Windows Storage 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.
Microsoft Security Response CenterCVE-2026-69743
HighCVSS 7.0
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
Use after free in Windows Program Compatibility Assistant 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 23H2 for ARM64-based Systems
Fixed versions10.0.26100.33650, 10.0.26200.9711, 10.0.22631.7652, 10.0.26100.9711
Vendor guidance
Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.
Microsoft Security Response CenterCVE-2026-69736
HighCVSS 7.0
Windows Credential Manager Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Credential Manager 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-2026-69733
HighCVSS 7.8
Windows Update Elevation of Privilege Vulnerability
Untrusted search path in Windows Update 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 23H2 for ARM64-based Systems
Fixed versions10.0.26100.33650, 10.0.26200.9711, 10.0.22631.7652, 10.0.26100.9711
Vendor guidance
Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.
Microsoft Security Response CenterCVE-2026-69721
HighCVSS 5.5
Windows iSCSI Information Disclosure Vulnerability
Out-of-bounds read in Windows iSCSI allows an authorized attacker to disclose information 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, 10.0.20348.5761, 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-2026-69718
HighCVSS 7.8
Windows Update Elevation of Privilege Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Windows Update 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 23H2 for ARM64-based Systems
Fixed versions10.0.26100.33650, 10.0.26200.9711, 10.0.22631.7652, 10.0.26100.9711
Vendor guidance
Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.
Microsoft Security Response CenterCVE-2026-69705
HighCVSS 9.8
Windows iSCSI Remote Code Execution Vulnerability
Out-of-bounds write in Windows iSCSI 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 versions10.0.17763.9376, 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-2026-69675
HighCVSS 5.5
Windows Network File System Information Disclosure Vulnerability
Out-of-bounds read in Windows Network File System allows an authorized attacker to disclose information locally.
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, 10.0.14393.9612
Vendor guidance
Install KB5126651. Install KB5126655. Install KB5126646. Install KB5126868. Install KB5126835. Install KB5126836.
Microsoft Security Response CenterCVE-2026-69673
HighCVSS 7.8
Windows Update Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Windows Update 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 23H2 for ARM64-based Systems
Fixed versions10.0.26100.33650, 10.0.26200.9711, 10.0.22631.7652, 10.0.26100.9711
Vendor guidance
Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.
Microsoft Security Response CenterCVE-2026-69650
HighCVSS 7.8
Windows Key Distribution Center Elevation of Privilege Vulnerability
Improper verification of cryptographic signature in Windows Key Distribution Center 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, 10.0.20348.5761, 10.0.26100.33650, 10.0.26200.9711
Vendor guidance
Install KB5126651. Install KB5126655. Install KB5126646. Install KB5127648. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.
Microsoft Security Response CenterCVE-2026-69644
HighCVSS 5.5
Windows iSCSI Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows iSCSI allows an authorized attacker to disclose information 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, 10.0.20348.5761, 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-2026-69640
HighCVSS 5.3
Windows Key Distribution Center Security Feature Bypass Vulnerability
Incorrect authorization in Windows Key Distribution Center allows an authorized attacker to bypass a security feature over a network.
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, 10.0.26100.33650
Vendor guidance
Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126646. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.
Microsoft Security Response CenterCVE-2026-69639
HighCVSS 9.8
Windows libarchive Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Libarchive 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 versions10.0.17763.9376, 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.
Microsoft Security Response CenterCVE-2026-69635
HighCVSS 6.6
Windows Installer Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges with a physical attack.
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-2026-69634
HighCVSS 9.8
Windows iSCSI Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network.
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-2026-69633
HighCVSS 7.8
Windows Update Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Update 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.
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.