Vulnerabilities of Microsoft Windows 11 Version 26H2
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-69634 | Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network | 9.8 Critical | Oct 13, 2026 |
| CVE-2026-69705 | Out-of-bounds write in Windows iSCSI allows an unauthorized attacker to execute code over a network | 9.8 Critical | Oct 13, 2026 |
| CVE-2026-68836 | Heap-based buffer overflow in Windows kernel32.dll allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70255 | Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70252 | Use after free in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70278 | Heap-based buffer overflow in Microsoft Windows Media Foundation allows an authorized attacker to elevate privileges… | 7.8 High | Oct 13, 2026 |
| CVE-2026-70271 | Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70280 | Incorrect authorization in Windows Hello allows an authorized attacker to bypass a security feature locally | 4.4 Medium | Oct 13, 2026 |
| CVE-2026-70272 | Use after free in Windows Installer allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70273 | Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70274 | Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70284 | Use of uninitialized resource in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-70285 | Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70218 | Insufficient granularity of access control in Windows StateRepository API allows an authorized attacker to elevate… | 7.8 High | Oct 13, 2026 |
| CVE-2026-70234 | Buffer over-read in Desktop Window Manager allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-70223 | Use after free in Windows Console Driver allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70225 | Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an… | 7.8 High | Oct 13, 2026 |
| CVE-2026-70249 | Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70253 | Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70233 | Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate… | 7.8 High | Oct 13, 2026 |
| CVE-2026-70247 | Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to execute code locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-70168 | Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… | 7.0 High | Oct 13, 2026 |
| CVE-2026-70150 | Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-70169 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected Devices… | 7.0 High | Oct 13, 2026 |
| CVE-2026-70195 | Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information… | 4.7 Medium | 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