Microsoft Windows Server 2022 vulnerabilities

2,817 known vulnerabilities affecting microsoft/windows_server_2022.

Total CVEs
2,817
CISA KEV
102
actively exploited
Public exploits
26
Exploited in wild
85
Severity breakdown
CRITICAL74HIGH2015MEDIUM717LOW11

Vulnerabilities

Page 10 of 141
CVE-2026-21525MEDIUMCVSS 6.2KEVfixed in 10.0.20348.4711≥ 10.0.20348.0, < 10.0.20348.47732026-02-10
CVE-2026-21525 [MEDIUM] CWE-476 CVE-2026-21525: Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally.
cvelistv5nvd
CVE-2026-21249LOWCVSS 3.3fixed in 10.0.20348.4711≥ 10.0.20348.0, < 10.0.20348.47732026-02-10
CVE-2026-21249 [LOW] CWE-73 CVE-2026-21249: External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spo External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.
cvelistv5nvd
CVE-2026-20836HIGHCVSS 7.0fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20836 [HIGH] CWE-362 CVE-2026-20836: Concurrent execution using shared resource with improper synchronization ('race condition') in Graph Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20919HIGHCVSS 7.5fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20919 [HIGH] CWE-362 CVE-2026-20919: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
cvelistv5nvd
CVE-2026-20864HIGHCVSS 7.8fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20864 [HIGH] CWE-122 CVE-2026-20864: Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attac Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20920HIGHCVSS 7.8fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20920 [HIGH] CWE-416 CVE-2026-20920: Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20840HIGHCVSS 7.8fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20840 [HIGH] CWE-122 CVE-2026-20840: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
cvelistv5nvd
CVE-2026-20826HIGHCVSS 7.0fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20826 [HIGH] CWE-362 CVE-2026-20826: Concurrent execution using shared resource with improper synchronization ('race condition') in Table Concurrent execution using shared resource with improper synchronization ('race condition') in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20865HIGHCVSS 7.8fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20865 [HIGH] CWE-416 CVE-2026-20865: Use after free in Windows Management Services allows an authorized attacker to elevate privileges lo Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20875HIGHCVSS 7.5fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20875 [HIGH] CWE-476 CVE-2026-20875: Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an una Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.
cvelistv5nvd
CVE-2026-20844HIGHCVSS 7.4fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20844 [HIGH] CWE-362 CVE-2026-20844: Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges loc Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20858HIGHCVSS 7.8fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20858 [HIGH] CWE-362 CVE-2026-20858: Use after free in Windows Management Services allows an authorized attacker to elevate privileges lo Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20874HIGHCVSS 7.8fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20874 [HIGH] CWE-362 CVE-2026-20874: 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.
cvelistv5nvd
CVE-2026-20816HIGHCVSS 7.0fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20816 [HIGH] CWE-367 CVE-2026-20816: Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20842HIGHCVSS 7.0fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20842 [HIGH] CWE-416 CVE-2026-20842: 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.
cvelistv5nvd
CVE-2026-20877HIGHCVSS 7.8fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20877 [HIGH] CWE-362 CVE-2026-20877: Use after free in Windows Management Services allows an authorized attacker to elevate privileges lo Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20837HIGHCVSS 7.8fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20837 [HIGH] CWE-122 CVE-2026-20837: Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
cvelistv5nvd
CVE-2026-20804HIGHCVSS 7.7fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20804 [HIGH] CWE-266 CVE-2026-20804: Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.
cvelistv5nvd
CVE-2026-20811HIGHCVSS 7.8fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20811 [HIGH] CWE-822 CVE-2026-20811: Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an au Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20852HIGHCVSS 7.7fixed in 10.0.20348.4648≥ 10.0.20348.0, < 10.0.20348.46482026-01-13
CVE-2026-20852 [HIGH] CWE-266 CVE-2026-20852: Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.
cvelistv5nvd
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