Known vulnerabilities in Microsoft Windows Server 2025
Is your version affected?
CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| 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 |
| CVE-2026-56159 | 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-2026-54126 | Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Jul 14, 2026 |
| CVE-2026-54128 | Use after free in Windows DHCP Client allows an unauthorized attacker to execute code locally | 8.4 High | Jul 14, 2026 |
| CVE-2026-50690 | Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-50692 | Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally | 8.8 High | Jul 14, 2026 |
| CVE-2026-50689 | Use after free in Windows Clipboard Server allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-54125 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an… | 7.8 High | Jul 14, 2026 |
| CVE-2026-50686 | Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized attacker to… | 8.1 High | Jul 14, 2026 |
| CVE-2026-50687 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally | 8.8 High | Jul 14, 2026 |
| CVE-2026-50683 | Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to elevate privileges over an adjacent… | 8.0 High | Jul 14, 2026 |
| CVE-2026-50682 | Out-of-bounds read in Windows Active Directory allows an authorized attacker to deny service over a network | 7.1 High | Jul 14, 2026 |
| CVE-2026-50685 | Double free in Windows DHCP Server allows an authorized attacker to execute code over a network | 7.5 High | Jul 14, 2026 |
| CVE-2026-50681 | Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows an authorized… | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-54121 | Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate… | 8.8 High | Jul 14, 2026 |
| CVE-2026-50680 | Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally | 8.2 High | Jul 14, 2026 |
| CVE-2026-50688 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-50679 | Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges… | 7.8 High | Jul 14, 2026 |
| CVE-2026-50684 | Improper neutralization of input during web page generation ('cross-site scripting') in Active Directory Federation… | 4.8 Medium | Jul 14, 2026 |
| CVE-2026-54115 | Integer overflow or wraparound in Windows Active Directory 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