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
27
Exploited in wild
75
Severity breakdown
CRITICAL60HIGH1758MEDIUM621LOW10

Vulnerabilities

Page 7 of 123
CVE-2026-25174HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-25174 [HIGH] CWE-125 CVE-2026-25174: Out-of-bounds read in Windows Extensible File Allocation allows an authorized attacker to elevate pr Out-of-bounds read in Windows Extensible File Allocation allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-25187HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-25187 [HIGH] CWE-59 CVE-2026-25187: Improper link resolution before file access ('link following') in Winlogon allows an authorized atta Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-23672HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-23672 [HIGH] CWE-125 CVE-2026-23672: Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
cvelistv5nvd
CVE-2026-25176HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-25176 [HIGH] CWE-284 CVE-2026-25176: Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attack Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-25173HIGHCVSS 8.0≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-25173 [HIGH] CWE-122 CVE-2026-25173: Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authori Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
cvelistv5nvd
CVE-2026-23671HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-23671 [HIGH] CWE-362 CVE-2026-23671: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Bluetooth RFCOM Protocol Driver allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-25172HIGHCVSS 8.0≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-25172 [HIGH] CWE-122 CVE-2026-25172: Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authori Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
cvelistv5nvd
CVE-2026-25178HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-25178 [HIGH] CWE-416 CVE-2026-25178: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-24290HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-24290 [HIGH] CWE-284 CVE-2026-24290: Improper access control in Windows Projected File System allows an authorized attacker to elevate pr Improper access control in Windows Projected File System allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-24292HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-24292 [HIGH] CWE-416 CVE-2026-24292: Use after free in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to eleva Use after free in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-23669HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-23669 [HIGH] CWE-416 CVE-2026-23669: Use after free in RPC Runtime allows an authorized attacker to execute code over a network. Use after free in RPC Runtime allows an authorized attacker to execute code over a network.
cvelistv5nvd
CVE-2026-24294HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-24294 [HIGH] CWE-287 CVE-2026-24294: Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges lo Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-24295HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-24295 [HIGH] CWE-362 CVE-2026-24295: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-23674HIGHCVSS 7.5≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-23674 [HIGH] CWE-41 CVE-2026-23674: 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-2026-23668HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-23668 [HIGH] CWE-362 CVE-2026-23668: Concurrent execution using shared resource with improper synchronization ('race condition') in Micro Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-23667HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-23667 [HIGH] CWE-416 CVE-2026-23667: Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally. Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-25181HIGHCVSS 7.5≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-25181 [HIGH] CWE-125 CVE-2026-25181: Out-of-bounds read in Windows GDI+ allows an unauthorized attacker to disclose information over a ne Out-of-bounds read in Windows GDI+ allows an unauthorized attacker to disclose information over a network.
cvelistv5nvd
CVE-2026-25177HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-25177 [HIGH] CWE-641 CVE-2026-25177: Improper restriction of names for files and other resources in Active Directory Domain Services allo Improper restriction of names for files and other resources in Active Directory Domain Services allows an authorized attacker to elevate privileges over a network.
cvelistv5nvd
CVE-2026-25188HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-25188 [HIGH] CWE-122 CVE-2026-25188: Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate p Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate privileges over an adjacent network.
cvelistv5nvd
CVE-2026-24291HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-24291 [HIGH] CWE-732 CVE-2026-24291: Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBro Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
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