Microsoft Windows 10 Version 21H2 vulnerabilities
2,906 known vulnerabilities affecting microsoft/windows_10_version_21h2.
Total CVEs
2,906
CISA KEV
95
actively exploited
Public exploits
67
Exploited in wild
123
Severity breakdown
CRITICAL79HIGH2093MEDIUM721LOW13
Vulnerabilities
Page 46 of 146
CVE-2026-20918P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.68092026-01-13
CVE-2026-20918 [HIGH] CWE-362 CVE-2026-20918: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-20873P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.68092026-01-13
CVE-2026-20873 [HIGH] CWE-362 CVE-2026-20873: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-41092P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-41092 [HIGH] CWE-284 CVE-2026-41092: Improper access control in Microsoft Kinect allows an authorized attacker to elevate privileges loca
Improper access control in Microsoft Kinect allows an authorized attacker to elevate privileges locally.
nvd
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-2026-20861P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.68092026-01-13
CVE-2026-20861 [HIGH] CWE-362 CVE-2026-20861: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-20867P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.68092026-01-13
CVE-2026-20867 [HIGH] CWE-362 CVE-2026-20867: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-20866P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.68092026-01-13
CVE-2026-20866 [HIGH] CWE-362 CVE-2026-20866: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-45637P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-45637 [HIGH] CWE-416 CVE-2026-45637: Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges local
Use after free in Windows DWM Core Library 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-2026-42983P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-42983 [HIGH] CWE-416 CVE-2026-42983: Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges local
Use after free in Windows DWM Core Library 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-2024-38019P3HIGHCVSS 7.2≥ 10.0.19043.0, < 10.0.19044.46512024-07-09
CVE-2024-38019 [HIGH] CWE-190 CVE-2024-38019: Microsoft Windows Performance Data Helper Library Remote Code Execution Vulnerability
Microsoft Windows Performance Data Helper Library Remote Code Execution Vulnerability
nvd
CVE-2025-49732P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.60932025-07-08
CVE-2025-49732 [HIGH] CWE-122 CVE-2025-49732: Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50344P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50344 [HIGH] CWE-285 CVE-2026-50344: Improper authorization in Windows OLE allows an authorized attacker to elevate privileges locally.
Improper authorization in Windows OLE allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-58540P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-58540 [HIGH] CWE-285 CVE-2026-58540: Improper authorization in Windows Installer allows an authorized attacker to elevate privileges loca
Improper authorization in Windows Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-44802P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-44802 [HIGH] CWE-416 CVE-2026-44802: Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges local
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50358P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50358 [HIGH] CWE-416 CVE-2026-50358: 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-2026-50490P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50490 [HIGH] CWE-416 CVE-2026-50490: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-49167P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-49167 [HIGH] CWE-416 CVE-2026-49167: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50486P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50486 [HIGH] CWE-416 CVE-2026-50486: Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
nvd