Known vulnerabilities in Microsoft Windows 11 version 26H1
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-59132 | Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network | 7.5 High | Aug 11, 2026 |
| CVE-2026-59127 | Integer overflow or wraparound in Windows Installer allows an authorized attacker to elevate privileges locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-59128 | Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to disclose information locally | 5.5 Medium | Aug 11, 2026 |
| CVE-2026-54984 | Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-49179 | Improper neutralization of special elements used in a command ('command injection') in Windows Active Directory allows… | 8.8 High | Aug 11, 2026 |
| CVE-2026-54113 | Allocation of resources without limits or throttling in Windows Kernel allows an unauthorized attacker to deny service… | 7.5 High | Aug 11, 2026 |
| CVE-2026-50472 | Heap-based buffer overflow in Windows LUAFV allows an authorized attacker to elevate privileges locally | 7.0 High | Aug 11, 2026 |
| CVE-2026-58598 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Backup Engine… | 7.0 High | Jul 16, 2026 |
| CVE-2026-58529 | Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker to disclose information… | 7.1 High | Jul 14, 2026 |
| CVE-2026-56181 | Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing… | 8.3 High | Jul 14, 2026 |
| CVE-2026-58638 | Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally | 6.0 Medium | Jul 14, 2026 |
| CVE-2026-58633 | Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-58634 | Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-58637 | Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-58632 | Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-58629 | Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-58628 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless… | 7.8 High | Jul 14, 2026 |
| CVE-2026-58626 | Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network | 8.8 High | Jul 14, 2026 |
| CVE-2026-58619 | Use after free in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-58613 | Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-58594 | Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network | 8.8 High | Jul 14, 2026 |
| CVE-2026-58541 | Access of resource using incompatible type ('type confusion') in Windows DWM allows an authorized attacker to elevate… | 7.8 High | Jul 14, 2026 |
| CVE-2026-58543 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print… | 6.3 Medium | Jul 14, 2026 |
| CVE-2026-58542 | Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-58544 | Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 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