Known vulnerabilities in Microsoft Windows 11 version 26H1
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-50456 | Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-50389 | Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-50442 | Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-50473 | Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-50462 | External control of file name or path in Windows Ancillary Function Driver for WinSock allows an authorized attacker… | 7.8 High | Jul 14, 2026 |
| CVE-2026-50457 | Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50465 | Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally | 7.1 High | Jul 14, 2026 |
| CVE-2026-50439 | Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network | 8.1 High | Jul 14, 2026 |
| CVE-2026-50441 | Untrusted pointer dereference in Windows Resilient File System (ReFS) allows an authorized attacker to elevate… | 7.8 High | Jul 14, 2026 |
| CVE-2026-50409 | Exposure of sensitive information to an unauthorized actor in Windows Overlay Filter allows an authorized attacker to… | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-50402 | Incorrect conversion between numeric types in Windows NTFS allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50435 | Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50466 | Use after free in Windows Brokering File System allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50455 | Use of uninitialized resource in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose… | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-50451 | Missing authentication for critical function in Windows Routing and Remote Access Service (RRAS) allows an authorized… | 7.1 High | Jul 14, 2026 |
| CVE-2026-50367 | Incorrect access of indexable resource ('range error') in Windows Sensor Data Service allows an authorized attacker to… | 7.8 High | Jul 14, 2026 |
| CVE-2026-50383 | Buffer over-read in Windows Print Spooler Components allows an authorized attacker to disclose information locally | 6.1 Medium | Jul 14, 2026 |
| CVE-2026-50374 | Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges with a… | 6.3 Medium | Jul 14, 2026 |
| CVE-2026-50421 | Access of resource using incompatible type ('type confusion') in Windows Connected User Experiences and Telemetry allows… | 7.8 High | Jul 14, 2026 |
| CVE-2026-50422 | Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50413 | Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally | 8.8 High | Jul 14, 2026 |
| CVE-2026-50427 | Use after free in Content Delivery Manager allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50385 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an… | 8.8 High | Jul 14, 2026 |
| CVE-2026-50365 | Improper authentication in Windows RPC API allows an unauthorized attacker to elevate privileges over an adjacent… | 8.0 High | Jul 14, 2026 |
| CVE-2026-50454 | Relative path traversal in Windows User Interface Core 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