Microsoft Windows Server 2025 vulnerabilities

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-2026-34350 [MEDIUM] CWE-476 CVE-2026-34350: Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.

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-2026-50324 [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-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-2025-21349 [MEDIUM] CWE-287 CVE-2025-21349: Windows Remote Desktop Configuration Service Tampering Vulnerability Windows Remote Desktop Configuration Service Tampering Vulnerability

CVE-2025-21414 [HIGH] CWE-122 CVE-2025-21414: Windows Core Messaging Elevation of Privileges Vulnerability Windows Core Messaging Elevation of Privileges Vulnerability

CVE-2025-21184 [HIGH] CWE-122 CVE-2025-21184: Windows Core Messaging Elevation of Privileges Vulnerability Windows Core Messaging Elevation of Privileges Vulnerability

CVE-2024-49097 [HIGH] CWE-416 CVE-2024-49097: Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability

CVE-2024-49095 [HIGH] CWE-415 CVE-2024-49095: Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability

CVE-2025-29838 [HIGH] CWE-476 CVE-2025-29838: Null pointer dereference in Windows Drivers allows an unauthorized attacker to elevate privileges lo Null pointer dereference in Windows Drivers allows an unauthorized attacker to elevate privileges locally.

CVE-2025-49678 [HIGH] CWE-362 CVE-2025-49678: Null pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally Null pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-45658 [MEDIUM] CWE-284 CVE-2026-45658: Improper access control in Windows BitLocker allows an authorized attacker to bypass a security feat Improper access control in Windows BitLocker allows an authorized attacker to bypass a security feature locally.

CVE-2026-50299 [MEDIUM] CWE-122 CVE-2026-50299: Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to e Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to execute code with a physical attack.

CVE-2026-50374 [MEDIUM] CWE-416 CVE-2026-50374: 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 with a physical attack.

CVE-2026-57097 [MEDIUM] CWE-426 CVE-2026-57097: Untrusted search path in Microsoft XML allows an unauthorized attacker to bypass a security feature Untrusted search path in Microsoft XML allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2025-48807 [MEDIUM] CWE-923 CVE-2025-48807: Improper restriction of communication channel to intended endpoints in Windows Hyper-V allows an aut Improper restriction of communication channel to intended endpoints in Windows Hyper-V allows an authorized attacker to execute code locally.

CVE-2025-49743 [MEDIUM] CWE-362 CVE-2025-49743: 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.