Microsoft Windows Server 2025 vulnerabilities

CVE-2026-83679 [HIGH] CWE-416 CVE-2026-83679: Use after free in Windows Defender Firewall Service allows an authorized attacker to elevate privile Use after free in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

CVE-2026-83727 [HIGH] CWE-126 CVE-2026-83727: Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges local Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

CVE-2026-96118 [HIGH] CWE-125 CVE-2026-96118: Out-of-bounds read in Windows Graphics Kernel allows an authorized attacker to elevate privileges lo Out-of-bounds read in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.

CVE-2025-55697 [HIGH] CWE-122 CVE-2025-55697: Heap-based buffer overflow in Azure Local allows an authorized attacker to elevate privileges locall Heap-based buffer overflow in Azure Local allows an authorized attacker to elevate privileges locally.

CVE-2026-24287 [HIGH] CWE-73 CVE-2026-24287: External control of file name or path in Windows Kernel allows an authorized attacker to elevate pri External control of file name or path in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-69454 [HIGH] CWE-125 CVE-2026-69454: Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allo Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a network.

CVE-2026-70247 [HIGH] CWE-125 CVE-2026-70247: Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to execute code locally. Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to execute code locally.

CVE-2026-83498 [HIGH] CWE-822 CVE-2026-83498: Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an autho Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

CVE-2026-83968 [HIGH] CWE-400 CVE-2026-83968: Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges loca Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69584 [HIGH] CWE-190 CVE-2026-69584: Integer overflow or wraparound in Windows USB Video Driver allows an authorized attacker to elevate Integer overflow or wraparound in Windows USB Video Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-83979 [HIGH] CWE-416 CVE-2026-83979: Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges loca Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

CVE-2026-68832 [HIGH] CWE-190 CVE-2026-68832: Integer overflow or wraparound in Windows NTFS allows an authorized attacker to elevate privileges l Integer overflow or wraparound in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-72965 [HIGH] CWE-416 CVE-2026-72965: Use after free in Windows WebClient Service allows an authorized attacker to elevate privileges loca Use after free in Windows WebClient Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69269 [HIGH] CWE-191 CVE-2026-69269: Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an authorized attacker to el Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an authorized attacker to elevate privileges locally.

CVE-2026-69844 [HIGH] CWE-125 CVE-2026-69844: Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVE-2026-69475 [HIGH] CWE-822 CVE-2026-69475: Untrusted pointer dereference in Windows Remote Desktop Services allows an authorized attacker to el Untrusted pointer dereference in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.

CVE-2026-56198 [HIGH] CWE-125 CVE-2026-56198: Out-of-bounds read in Microsoft Trace Data Helper allows an authorized attacker to elevate privilege Out-of-bounds read in Microsoft Trace Data Helper allows an authorized attacker to elevate privileges locally.

CVE-2026-69821 [HIGH] CWE-116 CVE-2026-69821: Improper encoding or escaping of output in Active Directory Certificate Services (AD CS) allows an a Improper encoding or escaping of output in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges locally.

CVE-2026-68875 [HIGH] CWE-126 CVE-2026-68875: Buffer over-read in Windows NTFS allows an authorized attacker to execute code locally. Buffer over-read in Windows NTFS allows an authorized attacker to execute code locally.

CVE-2026-69421 [HIGH] CWE-122 CVE-2026-69421: Integer underflow (wrap or wraparound) in Windows Kernel Mode Driver allows an authorized attacker t Integer underflow (wrap or wraparound) in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges locally.