Known vulnerabilities in Microsoft Windows 11 Version 25H2
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-70027 | Heap-based buffer overflow in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70015 | Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate… | 7.8 High | Oct 13, 2026 |
| CVE-2026-70017 | Access of resource using incompatible type ('type confusion') in Windows Secure Kernel Mode allows an authorized… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-70021 | Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70056 | Use after free in Windows Update Service allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70025 | Use after free in Windows Netlogon allows an authorized attacker to deny service over a network | 5.3 Medium | Oct 13, 2026 |
| CVE-2026-70057 | Incorrect authorization in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to bypass a… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-70026 | Use after free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70059 | Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-69969 | Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized… | 4.7 Medium | Oct 13, 2026 |
| CVE-2026-69970 | Heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-69971 | Incorrect authorization in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-69973 | Improper limitation of a pathname to a restricted directory ('path traversal') in Windows Libarchive allows an… | 6.5 Medium | Oct 13, 2026 |
| CVE-2026-69974 | Out-of-bounds read in Desktop Window Manager allows an authorized attacker to disclose information locally | 4.7 Medium | Oct 13, 2026 |
| CVE-2026-69976 | Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network | 7.5 High | Oct 13, 2026 |
| CVE-2026-69964 | Use after free in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-69966 | Integer overflow or wraparound in Microsoft Streaming Service allows an authorized attacker to elevate privileges… | 7.8 High | Oct 13, 2026 |
| CVE-2026-69978 | Null pointer dereference in Windows VMSwitch allows an authorized attacker to deny service locally | 5.6 Medium | Oct 13, 2026 |
| CVE-2026-69979 | Improper protection of alternate path in Windows AppX Deployment Service allows an authorized attacker to bypass a… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-69968 | Relative path traversal in Windows Libarchive allows an unauthorized attacker to perform tampering over a network | 6.5 Medium | Oct 13, 2026 |
| CVE-2026-70010 | Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-69954 | Buffer over-read in Windows Overlay Filter allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-69957 | Integer overflow or wraparound in Windows Overlay Filter allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-69942 | Buffer over-read in Windows Overlay Filter allows an authorized attacker to execute code locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-69918 | Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges locally | 8.8 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