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 22 of 123
CVE-2025-54116HIGHCVSS 7.3≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-54116 [HIGH] CWE-284 CVE-2025-54116: Improper access control in Windows MultiPoint Services allows an authorized attacker to elevate priv Improper access control in Windows MultiPoint Services allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2025-54916HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-54916 [HIGH] CWE-121 CVE-2025-54916: Stack-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. Stack-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
cvelistv5nvd
CVE-2025-49734HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-49734 [HIGH] CWE-923 CVE-2025-49734: Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2025-54091HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-54091 [HIGH] CWE-122 CVE-2025-54091: Integer overflow or wraparound in Windows Hyper-V allows an authorized attacker to elevate privilege Integer overflow or wraparound in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2025-54894HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-54894 [HIGH] CWE-122 CVE-2025-54894: Local Security Authority Subsystem Service Elevation of Privilege Vulnerability Local Security Authority Subsystem Service Elevation of Privilege Vulnerability
cvelistv5nvd
CVE-2025-54911HIGHCVSS 7.3≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-54911 [HIGH] CWE-416 CVE-2025-54911: Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally. Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2025-53801HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-53801 [HIGH] CWE-822 CVE-2025-53801: Untrusted pointer dereference in Windows DWM allows an authorized attacker to elevate privileges loc Untrusted pointer dereference in Windows DWM allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2025-54912HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-54912 [HIGH] CWE-416 CVE-2025-54912: Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally. Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2025-53802HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-53802 [HIGH] CWE-416 CVE-2025-53802: Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges loca Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2025-54098HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-54098 [HIGH] CWE-284 CVE-2025-54098: Improper access control in Windows Hyper-V allows an authorized attacker to elevate privileges local Improper access control in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2025-54092HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-54092 [HIGH] CWE-362 CVE-2025-54092: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2025-55224HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-55224 [HIGH] CWE-362 CVE-2025-55224: 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 execute code locally.
cvelistv5nvd
CVE-2025-55228HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-55228 [HIGH] CWE-362 CVE-2025-55228: 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 execute code locally.
cvelistv5nvd
CVE-2025-53804MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-53804 [MEDIUM] CWE-200 CVE-2025-53804: Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized at Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
cvelistv5nvd
CVE-2025-54107MEDIUMCVSS 4.3≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-54107 [MEDIUM] CWE-41 CVE-2025-54107: Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to b Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.
cvelistv5nvd
CVE-2025-53810MEDIUMCVSS 6.7≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-53810 [MEDIUM] CWE-843 CVE-2025-53810: Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service a Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2025-53803MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-53803 [MEDIUM] CWE-209 CVE-2025-53803: Generation of error message containing sensitive information in Windows Kernel allows an authorized Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally.
cvelistv5nvd
CVE-2025-53799MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-53799 [MEDIUM] CWE-908 CVE-2025-53799: Use of uninitialized resource in Windows Imaging Component allows an unauthorized attacker to disclo Use of uninitialized resource in Windows Imaging Component allows an unauthorized attacker to disclose information locally.
cvelistv5nvd
CVE-2025-53808MEDIUMCVSS 6.7≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-53808 [MEDIUM] CWE-843 CVE-2025-53808: Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service a Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2025-54109MEDIUMCVSS 6.7≥ 10.0.19044.0, < 10.0.19044.63322025-09-09
CVE-2025-54109 [MEDIUM] CWE-843 CVE-2025-54109: Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service a Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
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