Known vulnerabilities in Microsoft Windows Server 2025
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-50444 | Missing authentication for critical function in Windows Server Update Service allows an authorized attacker to elevate… | 8.8 High | Jul 14, 2026 |
| CVE-2026-50411 | Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny… | 7.5 High | Jul 14, 2026 |
| CVE-2026-50474 | Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network | 8.8 High | Jul 14, 2026 |
| CVE-2026-50362 | Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code… | 7.8 High | Jul 14, 2026 |
| CVE-2026-50420 | Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally | 6.2 Medium | Jul 14, 2026 |
| CVE-2026-50447 | Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability | 9.8 Critical | Jul 14, 2026 |
| CVE-2026-50453 | Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose… | 6.1 Medium | Jul 14, 2026 |
| CVE-2026-50417 | Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50431 | Windows Quality of Service (QoS) Packet Scheduler Information Disclosure Vulnerability | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-50399 | Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50461 | Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50432 | Use after free in Windows Virtual Filtering Platform (VFP) allows an authorized attacker to deny service over a network | 5.3 Medium | Jul 14, 2026 |
| 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 |
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