Windows 10 21h2

windows_10_21h2

Vendor: Microsoft • 2,027 CVEs

CVEs (2,027)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2026-27923 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 22, 2026 Apr 14, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-27922 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 22, 2026 Apr 14, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-27921 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 22, 2026 Apr 14, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-27920 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 22, 2026 Apr 14, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
CVE-2026-27919 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 22, 2026 Apr 14, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
CVE-2026-27918 1Microsoft 11Windows 10 1809 Windows 10 21h2Windows 10 22h2+8 more Apr 22, 2026 Apr 14, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Shell allows an authorized attacker to elevate privileges locally.
CVE-2026-27917 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 22, 2026 Apr 14, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Use after free in Windows WFP NDIS Lightweight Filter Driver (wfplwfs.sys) allows an authorized attacker to elevate privileges locally.
CVE-2026-27916 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 22, 2026 Apr 14, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
CVE-2026-27915 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 22, 2026 Apr 14, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
CVE-2026-27914 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 22, 2026 Apr 14, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Improper access control in Microsoft Management Console allows an authorized attacker to elevate privileges locally.
CVE-2026-27911 1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 more Apr 23, 2026 Apr 14, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows User Interface Core allows an authorized attacker to elevate privileges locally.
CVE-2026-27910 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 23, 2026 Apr 14, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Improper handling of insufficient permissions or privileges in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-27909 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 23, 2026 Apr 14, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-27908 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 23, 2026 Apr 14, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Use after free in Windows TDI Translation Driver (tdx.sys) allows an authorized attacker to elevate privileges locally.
CVE-2026-27906 1Microsoft 6Windows 10 21h2 Windows 10 22h2Windows 11 23h2+3 more Apr 23, 2026 Apr 14, 2026 N/A· v4 4.4 MEDIUM· v3 N/A· v2 Improper input validation in Windows Hello allows an authorized attacker to bypass a security feature locally.
CVE-2026-26184 1Microsoft 11Windows 10 1809 Windows 10 21h2Windows 10 22h2+8 more Apr 23, 2026 Apr 14, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Buffer over-read in Windows Projected File System allows an authorized attacker to elevate privileges locally.
CVE-2026-26182 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 23, 2026 Apr 14, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-26180 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 23, 2026 Apr 14, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-26178 1Microsoft 12Windows 10 1607 Windows 10 1809Windows 10 21h2+9 more Apr 23, 2026 Apr 14, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Integer size truncation in Windows Advanced Rasterization Platform (WARP) allows an unauthorized attacker to elevate privileges locally.
CVE-2026-26177 1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 more Apr 23, 2026 Apr 14, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

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