Microsoft Windows 10 Version 21H2 vulnerabilities
3,631 known vulnerabilities affecting microsoft/windows_10_version_21h2.
Total CVEs
3,631
CISA KEV
98
actively exploited
Public exploits
68
Exploited in wild
126
Severity breakdown
CRITICAL104HIGH2641MEDIUM873LOW13
Vulnerabilities
Page 62 of 182
CVE-2026-58541P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-58541 [HIGH] CWE-843 CVE-2026-58541: Access of resource using incompatible type ('type confusion') in Windows DWM allows an authorized at
Access of resource using incompatible type ('type confusion') in Windows DWM allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50493P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50493 [HIGH] CWE-416 CVE-2026-50493: Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locall
Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50433P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50433 [HIGH] CWE-416 CVE-2026-50433: Use after free in Windows Media allows an authorized attacker to elevate privileges locally.
Use after free in Windows Media allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-42916P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-42916 [HIGH] CWE-190 CVE-2026-42916: Integer overflow or wraparound in Windows NT OS Kernel allows an authorized attacker to elevate priv
Integer overflow or wraparound in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-42980P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-42980 [HIGH] CWE-122 CVE-2026-42980: Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elev
Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-45593P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-45593 [HIGH] CWE-190 CVE-2026-45593: Use after free in Windows SDK allows an authorized attacker to elevate privileges locally.
Use after free in Windows SDK allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-34330P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
CVE-2026-34330 [HIGH] CWE-190 CVE-2026-34330: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-40408P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
CVE-2026-40408 [HIGH] CWE-416 CVE-2026-40408: Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges lo
Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-34344P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
CVE-2026-34344 [HIGH] CWE-843 CVE-2026-34344: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver f
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-27915P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-27915 [HIGH] CWE-416 CVE-2026-27915: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker t
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-32155P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32155 [HIGH] CWE-416 CVE-2026-32155: Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-32078P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32078 [HIGH] CWE-416 CVE-2026-32078: Use after free in Windows Projected File System allows an authorized attacker to elevate privileges
Use after free in Windows Projected File System allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-27923P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-27923 [HIGH] CWE-416 CVE-2026-27923: Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-26162P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-26162 [HIGH] CWE-843 CVE-2026-26162: Access of resource using incompatible type ('type confusion') in Windows OLE allows an authorized at
Access of resource using incompatible type ('type confusion') in Windows OLE allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-26163P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-26163 [HIGH] CWE-415 CVE-2026-26163: Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-32154P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32154 [HIGH] CWE-416 CVE-2026-32154: Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-27916P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-27916 [HIGH] CWE-416 CVE-2026-27916: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker t
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-27924P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-27924 [HIGH] CWE-416 CVE-2026-27924: Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-49171P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-49171 [HIGH] CWE-416 CVE-2026-49171: Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges local
Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-73014P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.77252026-09-08
CVE-2026-73014 [HIGH] CWE-862 CVE-2026-73014: Missing authorization in Data Sharing Service Client allows an authorized attacker to elevate privil
Missing authorization in Data Sharing Service Client allows an authorized attacker to elevate privileges locally.
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