Known vulnerabilities in Microsoft Windows Server 2025
Is your version affected?
CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-50673 | Null pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50674 | Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-50670 | Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally | 8.8 High | Jul 14, 2026 |
| CVE-2026-50672 | Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-50668 | Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to elevate privileges with a physical attack | 6.8 Medium | Jul 14, 2026 |
| CVE-2026-50669 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service… | 7.0 High | Jul 14, 2026 |
| CVE-2026-50666 | Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges over a… | 8.8 High | Jul 14, 2026 |
| CVE-2026-50667 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows NTFS allows an… | 7.8 High | Jul 14, 2026 |
| CVE-2026-50661 | Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a… | 6.1 Medium | Jul 14, 2026 |
| CVE-2026-50655 | Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50647 | Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an… | 7.5 High | Jul 14, 2026 |
| CVE-2026-50518 | Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network | 9.8 Critical | Jul 14, 2026 |
| CVE-2026-50509 | Deserialization of untrusted data in Windows Wireless Wide Area Network Service allows an authorized attacker to elevate… | 7.8 High | Jul 14, 2026 |
| CVE-2026-50496 | Out-of-bounds read in Windows Network Policy Server SNMP allows an unauthorized attacker to disclose information over… | 7.5 High | Jul 14, 2026 |
| CVE-2026-50504 | Buffer over-read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-50497 | Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a… | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-50501 | Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code… | 7.8 High | Jul 14, 2026 |
| CVE-2026-50503 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an… | 7.0 High | Jul 14, 2026 |
| CVE-2026-50491 | Out-of-bounds read in Code Integrity DLL (ci.dll) allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-50492 | Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code… | 6.8 Medium | Jul 14, 2026 |
| CVE-2026-50505 | Use after free in Windows Message Queuing allows an authorized attacker to execute code over a network | 7.5 High | Jul 14, 2026 |
| CVE-2026-50498 | Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability | 7.8 High | Jul 14, 2026 |
| CVE-2026-50490 | Use after free in Windows Installer allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-50489 | Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally | 8.8 High | Jul 14, 2026 |
| CVE-2026-50494 | Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code 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