Known vulnerabilities in Microsoft Windows 11 Version 25H2
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-85905 | Heap-based buffer overflow in Windows UI Immersive Server allows an authorized attacker to elevate privileges locally | 8.8 High | Oct 13, 2026 |
| CVE-2026-85906 | Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-85901 | Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83889 | Release of invalid pointer or reference in DNS Server allows an authorized attacker to execute code over a network | 8.8 High | Oct 13, 2026 |
| CVE-2026-83900 | Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-83903 | Heap-based buffer overflow in Windows Direct Composition allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83897 | Exposure of sensitive system information to an unauthorized control sphere in Windows Win32 Kernel Subsystem allows an… | 4.7 Medium | Oct 13, 2026 |
| CVE-2026-83899 | Improper privilege management in Windows Installer allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-85872 | Use after free in Windows Storage VSP Driver allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83877 | Integer overflow or wraparound in HID Parser Library allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83870 | Out-of-bounds read in Windows Aggregated Data Platform Service allows an authorized attacker to disclose information… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83895 | Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an unauthorized attacker to elevate privileges… | 6.8 Medium | Oct 13, 2026 |
| CVE-2026-83873 | Relative path traversal in Windows Shell allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83884 | Out-of-bounds read in HID Parser Library allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83898 | Out-of-bounds read in HID Parser Library allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83887 | Out-of-bounds read in HID Parser Library allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83856 | Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network | 7.5 High | Oct 13, 2026 |
| CVE-2026-83857 | Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate… | 7.8 High | Oct 13, 2026 |
| CVE-2026-83859 | Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83850 | Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges… | 7.8 High | Oct 13, 2026 |
| CVE-2026-83860 | Stack-based buffer overflow in Windows GDI allows an unauthorized attacker to deny service over a network | 7.5 High | Oct 13, 2026 |
| CVE-2026-83861 | Heap-based buffer overflow in Windows Remote Desktop Protocol allows an authorized attacker to elevate privileges… | 7.8 High | Oct 13, 2026 |
| CVE-2026-83881 | Heap-based buffer overflow in Windows exFAT File System allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83863 | Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83883 | Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
Other Microsoft products
Windows Server 2019 5745
Windows Server 2019 (Server Core installation) 5648
Windows 10 Version 1809 5349
Windows Server 2022 5112
Windows Server 2016 5051
Windows Server 2016 (Server Core installation) 4847
Windows 10 Version 21H2 4539
Windows 10 Version 1607 4535
Windows Server 2012 R2 4103
Windows 10 Version 22H2 4041
Windows Server 2012 R2 (Server Core installation) 3958
Windows Server 2012 3865