Vulnerabilities of Microsoft Windows 11 Version 26H2
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-70139 | Heap-based buffer overflow in Windows Update Service allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70103 | Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70104 | Untrusted pointer dereference in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges… | 7.8 High | Oct 13, 2026 |
| CVE-2026-70106 | Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70117 | Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70063 | Out-of-bounds read in Windows Kernel allows an authorized attacker to disclose information locally | 4.7 Medium | Oct 13, 2026 |
| CVE-2026-70090 | Use of uninitialized resource in Windows Netlogon allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-70076 | Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70064 | Integer underflow (wrap or wraparound) in Windows Kerberos allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70077 | Use after free in Windows Kernel allows an authorized attacker to disclose information locally | 4.7 Medium | Oct 13, 2026 |
| CVE-2026-70060 | Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70097 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows… | 5.6 Medium | Oct 13, 2026 |
| CVE-2026-70062 | Double free in Windows Libarchive allows an unauthorized attacker to execute code over a network | 8.1 High | Oct 13, 2026 |
| CVE-2026-70014 | Use after free in Windows Cryptographic Services allows an authorized attacker to execute code over a network | 7.5 High | Oct 13, 2026 |
| 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 |
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