Known vulnerabilities in Microsoft Windows 11 version 26H1
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-68832 | Integer overflow or wraparound in Windows NTFS allows an authorized attacker to elevate privileges locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-68833 | Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code with a physical attack | 6.8 Medium | Sep 8, 2026 |
| CVE-2026-68824 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected User… | 7.0 High | Sep 8, 2026 |
| CVE-2026-68830 | Improper link resolution before file access ('link following') in Windows Universal Plug and Play (UPnP) Device Host… | 5.5 Medium | Sep 8, 2026 |
| CVE-2026-50349 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary… | 7.0 High | Sep 8, 2026 |
| CVE-2026-62801 | Improper limitation of a pathname to a restricted directory ('path traversal') in Windows PowerShell allows an… | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-85360 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.0 High | Sep 8, 2026 |
| CVE-2026-69341 | Use after free in Windows Image Acquisition allows an authorized attacker to elevate privileges locally | 7.0 High | Sep 8, 2026 |
| CVE-2026-62744 | Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over… | 8.8 High | Sep 8, 2026 |
| CVE-2026-62694 | Use after free in Windows Installer allows an authorized attacker to elevate privileges locally | 7.0 High | Sep 8, 2026 |
| CVE-2026-62706 | Out-of-bounds read in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network | 8.8 High | Sep 8, 2026 |
| CVE-2026-62727 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service… | 7.0 High | Aug 19, 2026 |
| CVE-2026-62738 | Out-of-bounds read in Windows Management Instrumentation allows an authorized attacker to disclose information locally | 5.5 Medium | Aug 11, 2026 |
| CVE-2026-56179 | Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing… | 8.3 High | Aug 11, 2026 |
| CVE-2026-66802 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Device Health… | 8.1 High | Aug 11, 2026 |
| CVE-2026-65798 | Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally | 6.7 Medium | Aug 11, 2026 |
| CVE-2026-65797 | Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally | 6.7 Medium | Aug 11, 2026 |
| CVE-2026-65799 | Integer overflow or wraparound in Windows DNS allows an authorized attacker to elevate privileges locally | 6.7 Medium | Aug 11, 2026 |
| CVE-2026-65794 | Buffer over-read in Windows SMB Client allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Aug 11, 2026 |
| CVE-2026-65795 | Relative path traversal in Windows DNS allows an authorized attacker to elevate privileges locally | 6.7 Medium | Aug 11, 2026 |
| CVE-2026-65790 | Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privileges locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-65779 | Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally | 7.0 High | Aug 11, 2026 |
| CVE-2026-65780 | Double free in Windows Autopilot allows an authorized attacker to elevate privileges locally | 7.0 High | Aug 11, 2026 |
| CVE-2026-65776 | Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally | 7.0 High | Aug 11, 2026 |
| CVE-2026-65777 | Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature… | 5.3 Medium | Aug 11, 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