Known vulnerabilities in Microsoft Windows 11 version 26H1
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-58610 | Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-58614 | Out-of-bounds read in Windows Kernel allows an authorized attacker to bypass a security feature locally | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-58609 | Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-58602 | Use after free in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-58608 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler… | 8.8 High | Jul 14, 2026 |
| CVE-2026-58601 | Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate… | 7.8 High | Jul 14, 2026 |
| CVE-2026-58526 | Use after free in Windows Storage allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-57976 | Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a… | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-57979 | Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-57097 | Untrusted search path in Microsoft XML allows an unauthorized attacker to bypass a security feature with a physical… | 6.4 Medium | Jul 14, 2026 |
| CVE-2026-50694 | Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a… | 8.1 High | Jul 14, 2026 |
| CVE-2026-54127 | Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally | 7.4 High | Jul 14, 2026 |
| CVE-2026-55144 | Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally | 7.1 High | Jul 14, 2026 |
| CVE-2026-54122 | Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally | 8.4 High | Jul 14, 2026 |
| CVE-2026-55003 | Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-54995 | Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a… | 8.1 High | Jul 14, 2026 |
| CVE-2026-54997 | Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-54999 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows… | 8.8 High | Jul 14, 2026 |
| CVE-2026-54119 | Loop with unreachable exit condition ('infinite loop') in Windows Active Directory allows an unauthorized attacker to… | 7.5 High | Jul 14, 2026 |
| CVE-2026-54996 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print… | 7.0 High | Jul 14, 2026 |
| CVE-2026-54114 | Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-54982 | Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker… | 8.8 High | Jul 14, 2026 |
| CVE-2026-54109 | Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized attacker to execute code… | 7.8 High | Jul 14, 2026 |
| CVE-2026-54992 | Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code… | 8.4 High | Jul 14, 2026 |
| CVE-2026-55004 | Double free in Microsoft Printer Drivers allows an authorized attacker to elevate privileges locally | 7.8 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