Known vulnerabilities in Microsoft Windows 11 version 26H1
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-57095 | Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an unauthorized attacker to… | 6.2 Medium | Jul 14, 2026 |
| CVE-2026-57090 | Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over… | 8.8 High | Jul 14, 2026 |
| CVE-2026-56650 | Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-57084 | Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-56649 | Windows Network File System Remote Code Execution Vulnerability | 5.9 Medium | Jul 14, 2026 |
| CVE-2026-57083 | Use of uninitialized resource in Microsoft Windows Codecs Library allows an unauthorized attacker to disclose… | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-56647 | Integer overflow or wraparound in Windows Remote Access Service Infrastructure allows an authorized attacker to… | 8.8 High | Jul 14, 2026 |
| CVE-2026-56648 | Time-of-check time-of-use (toctou) race condition in Windows Network File System allows an authorized attacker to… | 7.5 High | Jul 14, 2026 |
| CVE-2026-56194 | Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges over a… | 8.8 High | Jul 14, 2026 |
| CVE-2026-54124 | Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-56644 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-56643 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-56188 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network… | 9.8 Critical | Jul 14, 2026 |
| CVE-2026-56189 | Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-56186 | Out-of-bounds read in Windows Schannel allows an authorized attacker to disclose information over a network | 8.1 High | Jul 14, 2026 |
| CVE-2026-56184 | Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized attacker to disclose… | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-56187 | Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-56183 | Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-56190 | Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network | 9.8 Critical | Jul 14, 2026 |
| CVE-2026-56182 | Integer overflow or wraparound in Windows NTFS allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-56175 | Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-56176 | Out-of-bounds read in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-56168 | Null pointer dereference in Windows SMB Server allows an authorized attacker to deny service over a network | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-56173 | Use after free in Windows WebView allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-50359 | Use after free in Microsoft XML Core 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