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Known vulnerabilities in Microsoft Windows Server 2025 (Server Core installation)

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CVE Summary Score Published
CVE-2026-72965 Use after free in Windows WebClient Service allows an authorized attacker to elevate privileges locally 7.8 High Sep 8, 2026
CVE-2026-69381 Out-of-bounds read in Windows Storage Port Driver allows an unauthorized attacker to disclose information with a… 4.6 Medium Sep 8, 2026
CVE-2026-69530 Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a… 8.1 High Sep 8, 2026
CVE-2026-81963 Exploited Microsoft Windows Link Following Vulnerability 7.8 High Sep 8, 2026
CVE-2026-83940 Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally 7.0 High Sep 8, 2026
CVE-2026-81955 Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a… 8.8 High Sep 8, 2026
CVE-2026-80096 Out-of-bounds read in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network 8.8 High Sep 8, 2026
CVE-2026-78516 Insertion of sensitive information into externally-accessible file or directory in Windows Storage allows an… 4.3 Medium Sep 8, 2026
CVE-2026-69595 Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to execute code over a… 9.8 Critical Sep 8, 2026
CVE-2026-78457 Use after free in Windows Security App allows an authorized attacker to elevate privileges locally 7.0 High Sep 8, 2026
CVE-2026-78452 Out-of-bounds read in Microsoft Windows SCSI Class System File allows an unauthorized attacker to disclose information… 4.6 Medium Sep 8, 2026
CVE-2026-78453 Integer underflow (wrap or wraparound) in Microsoft Windows SCSI Class System File allows an unauthorized attacker to… 6.5 Medium Sep 8, 2026
CVE-2026-78451 Untrusted pointer dereference in Microsoft Windows SCSI Class System File allows an unauthorized attacker to elevate… 6.8 Medium Sep 8, 2026
CVE-2026-78448 Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally 7.8 High Sep 8, 2026
CVE-2026-78447 Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally 7.8 High Sep 8, 2026
CVE-2026-78450 Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a… 8.1 High Sep 8, 2026
CVE-2026-78444 Untrusted pointer dereference in Windows Failover Cluster allows an unauthorized attacker to execute code over a network 8.1 High Sep 8, 2026
CVE-2026-78449 Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a… 8.1 High Sep 8, 2026
CVE-2026-78446 Use after free in Windows Distributed File System (DFS) allows an authorized attacker to execute code over a network 7.5 High Sep 8, 2026
CVE-2026-78445 Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to execute code over a… 9.8 Critical Sep 8, 2026
CVE-2026-77905 Use after free in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally 7.0 High Sep 8, 2026
CVE-2026-73016 Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a… 8.8 High Sep 8, 2026
CVE-2026-73017 Heap-based buffer overflow in Windows Graphics Kernel allows an authorized attacker to execute code locally 7.5 High Sep 8, 2026
CVE-2026-73013 Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network 8.8 High Sep 8, 2026
CVE-2026-73025 Weak authentication in Windows iSCSI allows an unauthorized attacker to bypass a security feature over a network 9.8 Critical Sep 8, 2026

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