Vulnerabilities of Microsoft Windows 11 Version 26H2
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-83699 | Stack-based buffer overflow in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate… | 7.8 High | Oct 13, 2026 |
| CVE-2026-83692 | Heap-based buffer overflow in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83700 | Use after free in Windows Now Playing Session Manager allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83693 | Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network | 9.8 Critical | Oct 13, 2026 |
| CVE-2026-83694 | Out-of-bounds read in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges… | 7.0 High | Oct 13, 2026 |
| CVE-2026-83704 | Improper link resolution before file access ('link following') in Microsoft Windows Search Component allows an… | 7.8 High | Oct 13, 2026 |
| CVE-2026-83705 | Exposure of sensitive system information to an unauthorized control sphere in Windows HTTP.sys allows an authorized… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83687 | Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges… | 7.0 High | Oct 13, 2026 |
| CVE-2026-83688 | Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network | 8.8 High | Oct 13, 2026 |
| CVE-2026-83667 | Out-of-bounds read in Active Directory Domain Services allows an authorized attacker to deny service over a network | 6.5 Medium | Oct 13, 2026 |
| CVE-2026-83678 | Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83669 | Use of uninitialized resource in Windows Error Reporting allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83671 | Out-of-bounds read in Windows Hyper-V allows an authorized attacker to disclose information locally | 6.5 Medium | Oct 13, 2026 |
| CVE-2026-83675 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-83650 | Heap-based buffer overflow in Windows Media allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83642 | Access of resource using incompatible type ('type confusion') in DNS Server allows an unauthorized attacker to execute… | 8.8 High | Oct 13, 2026 |
| CVE-2026-83652 | Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-83644 | Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-83654 | Missing authentication for critical function in Windows Modern Device Management (MDM) allows an authorized attacker… | 7.8 High | Oct 13, 2026 |
| CVE-2026-83655 | Out-of-bounds read in Network Policy Server (NPS) allows an unauthorized attacker to deny service over a network | 7.5 High | Oct 13, 2026 |
| CVE-2026-83648 | Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a… | 6.5 Medium | Oct 13, 2026 |
| CVE-2026-83658 | Improper access control in Windows Error Reporting allows an authorized attacker to disclose information locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-83649 | Out-of-bounds read in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny… | 6.5 Medium | Oct 13, 2026 |
| CVE-2026-83510 | Time-of-check time-of-use (toctou) race condition in Windows Setup Files Cleanup allows an authorized attacker to… | 7.0 High | Oct 13, 2026 |
| CVE-2026-83571 | Null pointer dereference in Windows Audio Service allows an authorized attacker to disclose information locally | 5.5 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