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

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CVE Summary Score Published
CVE-2026-69599 Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network 7.5 High Sep 8, 2026
CVE-2026-69547 Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over a network 8.8 High Sep 8, 2026
CVE-2026-69509 Heap-based buffer overflow in Windows Fax Service allows an authorized attacker to elevate privileges locally 7.8 High Sep 8, 2026
CVE-2026-69503 Stack-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges over a network 8.0 High Sep 8, 2026
CVE-2026-69498 Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally 7.0 High Sep 8, 2026
CVE-2026-69512 Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges over a network 8.0 High Sep 8, 2026
CVE-2026-69511 Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over… 8.8 High Sep 8, 2026
CVE-2026-69497 Missing release of memory after effective lifetime in Windows DHCP Server allows an authorized attacker to deny… 6.5 Medium Sep 8, 2026
CVE-2026-69493 Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network 9.8 Critical Sep 8, 2026
CVE-2026-69488 Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally 7.0 High Sep 8, 2026
CVE-2026-69483 Out-of-bounds read in Windows Image Acquisition allows an authorized attacker to disclose information locally 4.7 Medium Sep 8, 2026
CVE-2026-69578 Numeric truncation error in Windows Kernel allows an authorized attacker to elevate privileges locally 7.0 High Sep 8, 2026
CVE-2026-69480 Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to elevate privileges… 7.8 High Sep 8, 2026
CVE-2026-69561 Out-of-bounds read in Windows CD-ROM Driver allows an authorized attacker to elevate privileges locally 7.8 High Sep 8, 2026
CVE-2026-69478 Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges… 7.8 High Sep 8, 2026
CVE-2026-69474 Use after free in Windows Overlay Filter allows an authorized attacker to disclose information over a network 4.8 Medium Sep 8, 2026
CVE-2026-69482 Creation of temporary file in directory with insecure permissions in Windows Error Reporting allows an authorized… 7.1 High Sep 8, 2026
CVE-2026-69460 Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges over a… 7.1 High Sep 8, 2026
CVE-2026-69456 Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally 7.8 High Sep 8, 2026
CVE-2026-69459 Heap-based buffer overflow in Windows Power Dependency Coordinator allows an authorized attacker to elevate privileges… 7.8 High Sep 8, 2026
CVE-2026-69462 Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges over a network 8.0 High Sep 8, 2026
CVE-2026-69453 Missing authorization in Microsoft Windows Search Component allows an authorized attacker to perform tampering locally 5.5 Medium Sep 8, 2026
CVE-2026-69445 Improper limitation of a pathname to a restricted directory ('path traversal') in Windows Compressed Folder allows an… 7.8 High Sep 8, 2026
CVE-2026-69466 Time-of-check time-of-use (toctou) race condition in Windows Kernel allows an authorized attacker to elevate… 7.0 High Sep 8, 2026
CVE-2026-69444 Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally 7.8 High Sep 8, 2026

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