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Microsoft Windows Server 2022 vulnerabilities

2,874 known vulnerabilities affecting microsoft/windows_server_2022.

Total CVEs
2,874
CISA KEV
103
actively exploited
Public exploits
43
Exploited in wild
85
Severity breakdown
CRITICAL76HIGH2062MEDIUM725LOW11

Vulnerabilities

Page 3 of 144
CVE-2026-34344HIGHCVSS 7.8fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-34344 [HIGH] CWE-843 CVE-2026-34344: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver f Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-34334HIGHCVSS 7.0fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-34334 [HIGH] CWE-362 CVE-2026-34334: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-41088HIGHCVSS 7.8fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-41088 [HIGH] CWE-73 CVE-2026-41088: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver f Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-40413HIGHCVSS 7.4fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-40413 [HIGH] CWE-476 CVE-2026-40413: Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an a Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an adjacent network.
nvd
CVE-2026-40407HIGHCVSS 7.8fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-40407 [HIGH] CWE-122 CVE-2026-40407: Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-34351HIGHCVSS 7.0fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-34351 [HIGH] CWE-362 CVE-2026-34351: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-35417HIGHCVSS 7.8fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-35417 [HIGH] CWE-843 CVE-2026-35417: Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-42825HIGHCVSS 7.0fixed in 10.0.20348.5139≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-42825 [HIGH] CWE-416 CVE-2026-42825: Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges loca Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-34337HIGHCVSS 7.0fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-34337 [HIGH] CWE-362 CVE-2026-34337: Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate pr Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-35422MEDIUMCVSS 6.5fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-35422 [MEDIUM] CWE-288 CVE-2026-35422: Authentication bypass using an alternate path or channel in Windows TCP/IP allows an authorized atta Authentication bypass using an alternate path or channel in Windows TCP/IP allows an authorized attacker to bypass a security feature over a network.
nvd
CVE-2026-34339MEDIUMCVSS 5.5fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-34339 [MEDIUM] CWE-476 CVE-2026-34339: Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an authorize Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to deny service locally.
nvd
CVE-2026-32170MEDIUMCVSS 6.7fixed in 10.0.20348.5139≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-32170 [MEDIUM] CWE-415 CVE-2026-32170: Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally. Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-32209MEDIUMCVSS 4.4fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-32209 [MEDIUM] CWE-284 CVE-2026-32209: Improper access control in Windows Filtering Platform (WFP) allows an authorized attacker to bypass Improper access control in Windows Filtering Platform (WFP) allows an authorized attacker to bypass a security feature locally.
nvd
CVE-2026-35423MEDIUMCVSS 5.4fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-35423 [MEDIUM] CWE-125 CVE-2026-35423: Out-of-bounds read in Telnet Client allows an unauthorized attacker to disclose information over a n Out-of-bounds read in Telnet Client allows an unauthorized attacker to disclose information over a network.
nvd
CVE-2026-40380MEDIUMCVSS 6.2fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-40380 [MEDIUM] CWE-122 CVE-2026-40380: Heap-based buffer overflow in Volume Manager Extension Driver allows an authorized attacker to execu Heap-based buffer overflow in Volume Manager Extension Driver allows an authorized attacker to execute code with a physical attack.
nvd
CVE-2026-21530MEDIUMCVSS 6.7fixed in 10.0.20348.5139≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-21530 [MEDIUM] CWE-415 CVE-2026-21530: Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally. Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-41097MEDIUMCVSS 6.7fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12
CVE-2026-41097 [MEDIUM] CWE-1329 CVE-2026-41097: Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
nvd
CVE-2026-33824CRITICALCVSS 9.8≥ 10.0.20348.0, < 10.0.20348.50202026-04-14
CVE-2026-33824 [CRITICAL] CWE-415 CVE-2026-33824: Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network. Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-32183HIGHCVSS 7.8fixed in 10.0.20348.5020≥ 10.0.20348.0, < 10.0.20348.50202026-04-14
CVE-2026-32183 [HIGH] CWE-77 CVE-2026-32183: Improper neutralization of special elements used in a command ('command injection') in Windows Snipp Improper neutralization of special elements used in a command ('command injection') in Windows Snipping Tool allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-26177HIGHCVSS 7.0fixed in 10.0.20348.5020≥ 10.0.20348.0, < 10.0.20348.50202026-04-14
CVE-2026-26177 [HIGH] CWE-416 CVE-2026-26177: 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.
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Microsoft Windows Server 2022 vulnerabilities | cvebase