Microsoft Windows 10 Version 21H2 vulnerabilities

2,449 known vulnerabilities affecting microsoft/windows_10_version_21h2.

Total CVEs
2,449
CISA KEV
94
actively exploited
Public exploits
36
Exploited in wild
75
Severity breakdown
CRITICAL60HIGH1758MEDIUM621LOW10

Vulnerabilities

Page 31 of 123
CVE-2025-32701HIGHCVSS 7.8KEV≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-32701 [HIGH] CWE-416 CVE-2025-32701: Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate pri Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-29967HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-29967 [HIGH] CWE-122 CVE-2025-29967: Heap-based buffer overflow in Remote Desktop Gateway Service allows an unauthorized attacker to exec Heap-based buffer overflow in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-29962HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-29962 [HIGH] CWE-122 CVE-2025-29962: Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a n Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-30388HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-30388 [HIGH] CWE-122 CVE-2025-30388: Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-32709HIGHCVSS 7.8KEV≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-32709 [HIGH] CWE-416 CVE-2025-32709: Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attac Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-29841HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-29841 [HIGH] CWE-362 CVE-2025-29841: Concurrent execution using shared resource with improper synchronization ('race condition') in Unive Concurrent execution using shared resource with improper synchronization ('race condition') in Universal Print Management Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-29964HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-29964 [HIGH] CWE-122 CVE-2025-29964: Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a n Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-30385HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-30385 [HIGH] CWE-416 CVE-2025-30385: Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate pri Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-29969HIGHCVSS 7.5≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-29969 [HIGH] CWE-367 CVE-2025-29969: Time-of-check time-of-use (toctou) race condition in Windows Fundamentals allows an authorized attac Time-of-check time-of-use (toctou) race condition in Windows Fundamentals allows an authorized attacker to execute code over a network.
nvd
CVE-2025-29833HIGHCVSS 7.7≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-29833 [HIGH] CWE-367 CVE-2025-29833: Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthori Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-29963HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-29963 [HIGH] CWE-122 CVE-2025-29963: Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a n Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-27468HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-27468 [HIGH] CWE-269 CVE-2025-27468: Improper privilege management in Windows Secure Kernel Mode allows an authorized attacker to elevate Improper privilege management in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-32706HIGHCVSS 7.8KEV≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-32706 [HIGH] CWE-20 CVE-2025-32706: Improper input validation in Windows Common Log File System Driver allows an authorized attacker to Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-29966HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-29966 [HIGH] CWE-122 CVE-2025-29966: Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-30400HIGHCVSS 7.8KEV≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-30400 [HIGH] CWE-416 CVE-2025-30400: Use after free in Windows DWM allows an authorized attacker to elevate privileges locally. Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-29840HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-29840 [HIGH] CWE-121 CVE-2025-29840: Stack-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a Stack-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-24063HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-24063 [HIGH] CWE-122 CVE-2025-24063: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-30397HIGHCVSS 7.5KEVPoC≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-30397 [HIGH] CWE-843 CVE-2025-30397: Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows a Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-29839MEDIUMCVSS 4.0≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-29839 [MEDIUM] CWE-125 CVE-2025-29839: Out-of-bounds read in Windows File Server allows an unauthorized attacker to disclose information lo Out-of-bounds read in Windows File Server allows an unauthorized attacker to disclose information locally.
nvd
CVE-2025-29960MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.58542025-05-13
CVE-2025-29960 [MEDIUM] CWE-125 CVE-2025-29960: Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attack Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
nvd