Known vulnerabilities in Microsoft Windows Server 2025 (Server Core installation)
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-45641 | Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthorized attacker to… | 8.4 High | Jun 9, 2026 |
| CVE-2026-45606 | Out-of-bounds read in Microsoft UxTheme Library (uxtheme.dll) allows an authorized attacker to deny service locally | 5.5 Medium | Jun 9, 2026 |
| CVE-2026-45607 | Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally | 8.4 High | Jun 9, 2026 |
| CVE-2026-45639 | Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network | 7.5 High | Jun 9, 2026 |
| CVE-2026-45640 | Use after free in Windows Bluetooth Port Driver allows an authorized attacker to elevate privileges locally | 7.0 High | Jun 9, 2026 |
| CVE-2026-45605 | Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally | 7.8 High | Jun 9, 2026 |
| CVE-2026-45487 | Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows an authorized… | 7.8 High | Jun 9, 2026 |
| CVE-2026-34335 | Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… | 7.0 High | Jun 9, 2026 |
| CVE-2026-40404 | Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability | 7.8 High | Jun 9, 2026 |
| CVE-2026-33828 | Trust boundary violation in Windows Attestation allows an authorized attacker to elevate privileges locally | 7.8 High | Jun 9, 2026 |
| CVE-2026-40409 | Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability | 7.8 High | Jun 9, 2026 |
| CVE-2026-41108 | Heap-based buffer overflow in Microsoft Windows DNS allows an authorized attacker to elevate privileges locally | 7.0 High | Jun 9, 2026 |
| CVE-2026-45585 | Microsoft is aware of a security feature bypass vulnerability in Windows publicly referred to as "YellowKey" | 6.8 Medium | May 19, 2026 |
| CVE-2026-41097 | Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker to bypass a security… | 6.7 Medium | May 12, 2026 |
| CVE-2026-40413 | Windows TCP/IP Denial of Service Vulnerability | 7.4 High | May 12, 2026 |
| CVE-2026-40403 | Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally | 8.8 High | May 12, 2026 |
| CVE-2026-40401 | Windows TCP/IP Denial of Service Vulnerability | 7.1 High | May 12, 2026 |
| CVE-2026-40398 | Heap-based buffer overflow in Windows Remote Desktop allows an authorized attacker to elevate privileges locally | 7.8 High | May 12, 2026 |
| CVE-2026-32209 | Improper access control in Windows Filtering Platform (WFP) allows an authorized attacker to bypass a security feature… | 4.4 Medium | May 12, 2026 |
| CVE-2026-40397 | Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate… | 7.8 High | May 12, 2026 |
| CVE-2026-40382 | Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally | 7.8 High | May 12, 2026 |
| CVE-2026-40369 | Windows Kernel Elevation of Privilege Vulnerability | 7.8 High | May 12, 2026 |
| CVE-2026-34340 | Use after free in Windows Projected File System allows an authorized attacker to elevate privileges locally | 7.0 High | May 12, 2026 |
| CVE-2026-34341 | Double free in Windows Link-Layer Discovery Protocol (LLDP) allows an authorized attacker to elevate privileges locally | 7.0 High | May 12, 2026 |
| CVE-2026-34339 | Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to deny… | 5.5 Medium | May 12, 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