Microsoft Windows Server 2022 vulnerabilities

3,303 known vulnerabilities affecting microsoft/windows_server_2022.

Total CVEs

3,303

CISA KEV

104

actively exploited

Public exploits

Exploited in wild

136

Severity breakdown

CRITICAL99HIGH2369MEDIUM821LOW14

Vulnerabilities

SortPage 49 of 166

CVE-2026-50478P3HIGHCVSS 7.8fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-50478 [HIGH] CWE-416 CVE-2026-50478: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-56643P3HIGHCVSS 7.8fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-56643 [HIGH] CWE-416 CVE-2026-56643: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-56644P3HIGHCVSS 7.8fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-56644 [HIGH] CWE-416 CVE-2026-56644: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-45641P3HIGHCVSS 7.8fixed in 10.0.20348.5256≥ 10.0.20348.0, < 10.0.20348.52562026-06-09

CVE-2026-45641 [HIGH] CWE-843 CVE-2026-45641: Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthori Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-50471P3HIGHCVSS 7.8fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-50471 [HIGH] CWE-122 CVE-2026-50471: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-34333P3HIGHCVSS 7.8fixed in 10.0.20348.5074≥ 10.0.20348.0, < 10.0.20348.51392026-05-12

CVE-2026-34333 [HIGH] CWE-190 CVE-2026-34333: 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-2026-58632P3HIGHCVSS 7.8fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-58632 [HIGH] CWE-416 CVE-2026-58632: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-49791P3HIGHCVSS 7.8fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-49791 [HIGH] CWE-59 CVE-2026-49791: Improper link resolution before file access ('link following') in Windows Routing and Remote Access Improper link resolution before file access ('link following') in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-48583P3HIGHCVSS 7.8fixed in 10.0.20348.5256≥ 10.0.20348.0, < 10.0.20348.52562026-06-09

CVE-2026-48583 [HIGH] CWE-416 CVE-2026-48583: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-49793P3HIGHCVSS 7.8fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-49793 [HIGH] CWE-122 CVE-2026-49793: Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

nvd

CVE-2026-26159P3HIGHCVSS 7.8fixed in 10.0.20348.5020≥ 10.0.20348.0, < 10.0.20348.50202026-04-14

CVE-2026-26159 [HIGH] CWE-306 CVE-2026-26159: Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an a Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges locally.

nvd

CVE-2023-35644P3HIGHCVSS 7.8≥ 10.0.20348.0, < 10.0.20348.21592023-12-12

CVE-2023-35644 [HIGH] CWE-190 CVE-2023-35644: Windows Sysmain Service Elevation of Privilege Vulnerability Windows Sysmain Service Elevation of Privilege Vulnerability

nvd

CVE-2026-26176P3HIGHCVSS 7.8fixed in 10.0.20348.5020≥ 10.0.20348.0, < 10.0.20348.50202026-04-14

CVE-2026-26176 [HIGH] CWE-122 CVE-2026-26176: Heap-based buffer overflow in Windows Client Side Caching driver (csc.sys) allows an authorized atta Heap-based buffer overflow in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50333P3HIGHCVSS 7.8fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-50333 [HIGH] CWE-306 CVE-2026-50333: Missing authentication for critical function in Windows Spaceport.sys allows an authorized attacker Missing authentication for critical function in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50459P3HIGHCVSS 7.8fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-50459 [HIGH] CWE-416 CVE-2026-50459: Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.

nvd

CVE-2024-49091P3HIGHCVSS 7.2fixed in 10.0.20348.2966≥ 10.0.20348.0, < 10.0.20348.29662024-12-12

CVE-2024-49091 [HIGH] CWE-591 CVE-2024-49091: Windows Domain Name Service Remote Code Execution Vulnerability Windows Domain Name Service Remote Code Execution Vulnerability

nvd

CVE-2026-50696P3HIGHCVSS 7.5fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-50696 [HIGH] CWE-122 CVE-2026-50696: Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized at Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

nvd

CVE-2026-50695P3HIGHCVSS 7.5fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-50695 [HIGH] CWE-121 CVE-2026-50695: Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.

nvd

CVE-2023-35309P3HIGHCVSS 7.5≥ 10.0.20348.0, < 10.0.20348.18502023-07-11

CVE-2023-35309 [HIGH] CWE-591 CVE-2023-35309: Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

nvd

CVE-2026-50368P3HIGHCVSS 7.5fixed in 10.0.20348.5386≥ 10.0.20348.0, < 10.0.20348.53862026-07-14

CVE-2026-50368 [HIGH] CWE-121 CVE-2026-50368: Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.

nvd

← Previous49 / 166Next →