Known vulnerabilities in Microsoft Windows 11 version 26H1
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-58545 | Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-58536 | 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-2026-58547 | Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege Vulnerability | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-58537 | Use after free in Microsoft NAT Helper Components (ipnathlp.dll) allows an authorized attacker to elevate privileges… | 7.8 High | Jul 14, 2026 |
| CVE-2026-58534 | Heap-based buffer overflow in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges… | 8.8 High | Jul 14, 2026 |
| CVE-2026-58531 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB allows an… | 7.5 High | Jul 14, 2026 |
| CVE-2026-58532 | Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-58539 | Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-58540 | Improper authorization in Windows Installer allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-58546 | Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-58535 | Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-58533 | Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-58538 | Heap-based buffer overflow in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-58530 | Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code… | 7.8 High | Jul 14, 2026 |
| CVE-2026-58527 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an… | 7.8 High | Jul 14, 2026 |
| CVE-2026-58528 | Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose… | 6.8 Medium | Jul 14, 2026 |
| CVE-2026-57982 | Use of uninitialized resource in Windows RDP allows an authorized attacker to disclose information over a network | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-57096 | Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to… | 7.8 High | Jul 14, 2026 |
| CVE-2026-57093 | Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… | 7.0 High | Jul 14, 2026 |
| CVE-2026-57087 | Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over… | 8.8 High | Jul 14, 2026 |
| CVE-2026-57092 | Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a network | 9.9 Critical | Jul 14, 2026 |
| CVE-2026-57085 | Out-of-bounds read in Windows Print Spooler Components allows an authorized attacker to disclose information locally | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-57089 | Use after free in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized attacker to execute… | 7.5 High | Jul 14, 2026 |
| CVE-2026-57091 | Stack-based buffer overflow in Windows File History Service allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-57094 | Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over… | 8.8 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