Microsoft Windows Server 2022 vulnerabilities

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.

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.

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.

CVE-2025-54094 [MEDIUM] CWE-843 CVE-2025-54094: 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.

CVE-2026-0390 [MEDIUM] CWE-807 CVE-2026-0390: Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized atta Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

CVE-2026-21265 [MEDIUM] CWE-1329 CVE-2026-21265: Windows Secure Boot stores Microsoft certificates in the UEFI KEK and DB. These original certificate Windows Secure Boot stores Microsoft certificates in the UEFI KEK and DB. These original certificates are approaching expiration, and devices containing affected certificate versions must update them to maintain Secure Boot functionality and avoid compromising security by losing security fixes related to Windows boot manager or Secure Boot. The ope

CVE-2026-49804 [MEDIUM] CWE-122 CVE-2026-49804: Heap-based buffer overflow in Windows USB Video Driver allows an unauthorized attacker to elevate pr Heap-based buffer overflow in Windows USB Video Driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-50324 [MEDIUM] CWE-835 CVE-2026-50324: Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD F Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

CVE-2026-49174 [MEDIUM] CWE-306 CVE-2026-49174: Missing authentication for critical function in Microsoft Windows DNS allows an authorized attacker Missing authentication for critical function in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.

CVE-2022-24539 [MEDIUM] CVE-2022-24539: Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability

CVE-2021-41332 [MEDIUM] CVE-2021-41332: Windows Print Spooler Information Disclosure Vulnerability Windows Print Spooler Information Disclosure Vulnerability

CVE-2022-26783 [MEDIUM] CVE-2022-26783: Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability

CVE-2021-38629 [MEDIUM] CVE-2021-38629: Windows Ancillary Function Driver for WinSock Information Disclosure Vulnerability Windows Ancillary Function Driver for WinSock Information Disclosure Vulnerability

CVE-2025-21419 [HIGH] CWE-59 CVE-2025-21419: Windows Setup Files Cleanup Elevation of Privilege Vulnerability Windows Setup Files Cleanup Elevation of Privilege Vulnerability

CVE-2024-30033 [HIGH] CWE-59 CVE-2024-30033: Windows Search Service Elevation of Privilege Vulnerability Windows Search Service Elevation of Privilege Vulnerability

CVE-2022-26785 [MEDIUM] CVE-2022-26785: Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability

CVE-2023-24023 [MEDIUM] CVE-2023-24023: Bluetooth BR/EDR devices with Secure Simple Pairing and Secure Connections pairing in Bluetooth Core Bluetooth BR/EDR devices with Secure Simple Pairing and Secure Connections pairing in Bluetooth Core Specification 4.2 through 5.4 allow certain man-in-the-middle attacks that force a short key length, and might lead to discovery of the encryption key and live injection, aka BLUFFS.

CVE-2022-21865 [HIGH] CVE-2022-21865: Connected Devices Platform Service Elevation of Privilege Vulnerability Connected Devices Platform Service Elevation of Privilege Vulnerability

CVE-2024-21432 [HIGH] CWE-59 CVE-2024-21432: Windows Update Stack Elevation of Privilege Vulnerability Windows Update Stack Elevation of Privilege Vulnerability

CVE-2022-21862 [HIGH] CVE-2022-21862: Windows Application Model Core API Elevation of Privilege Vulnerability Windows Application Model Core API Elevation of Privilege Vulnerability