Known vulnerabilities in Microsoft Windows 11 version 26H1
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-105723 | Untrusted pointer dereference in Windows Distributed File System (DFS) allows an unauthorized attacker to elevate… | 7.5 High | Oct 13, 2026 |
| CVE-2026-108399 | Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally | 7.2 High | Oct 13, 2026 |
| CVE-2026-70235 | Improper authentication in Windows Event Tracing allows an authorized attacker to perform spoofing locally | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-108458 | Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network | 8.8 High | Oct 13, 2026 |
| CVE-2026-97800 | Incorrect permission assignment for critical resource in Windows Mobile Broadband allows an authorized attacker to… | 7.8 High | Oct 13, 2026 |
| CVE-2026-96183 | Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized… | 5.5 Medium | Oct 13, 2026 |
| CVE-2026-102227 | Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally | 7.8 High | Oct 13, 2026 |
| CVE-2026-108468 | Use after free in Windows Installer allows an authorized attacker to elevate privileges locally | 7.0 High | Oct 13, 2026 |
| CVE-2026-85921 | Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally | 8.2 High | Sep 14, 2026 |
| CVE-2026-83498 | Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to… | 7.8 High | Sep 8, 2026 |
| CVE-2026-83501 | Out-of-bounds read in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose… | 5.5 Medium | Sep 8, 2026 |
| CVE-2026-84000 | Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to execute code locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-83995 | Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-83997 | Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network | 8.1 High | Sep 8, 2026 |
| CVE-2026-83992 | Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network | 8.8 High | Sep 8, 2026 |
| CVE-2026-83989 | Out-of-bounds read in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to deny service over… | 7.5 High | Sep 8, 2026 |
| CVE-2026-83990 | Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-83983 | Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-83985 | Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-83980 | Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-83987 | Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-83978 | Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-83982 | Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-83977 | Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-83981 | Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally | 7.8 High | Sep 8, 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