Known vulnerabilities in Microsoft Windows Server 2025 (Server Core installation)
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-54987 | Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-54989 | Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attacker to elevate… | 7.0 High | Jul 14, 2026 |
| CVE-2026-50695 | Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over… | 7.5 High | Jul 14, 2026 |
| CVE-2026-54129 | Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-54983 | Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny… | 7.5 High | Jul 14, 2026 |
| CVE-2026-49784 | Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Windows App… | 7.0 High | Jul 14, 2026 |
| CVE-2026-49177 | Out-of-bounds read in Windows TCP/IP allows an authorized attacker to disclose information locally | 5.5 Medium | Jul 14, 2026 |
| CVE-2026-49174 | Missing authentication for critical function in Microsoft Windows DNS allows an authorized attacker to perform tampering… | 6.1 Medium | Jul 14, 2026 |
| CVE-2026-49172 | Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code over a network | 9.8 Critical | Jul 14, 2026 |
| CVE-2026-49175 | Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-49171 | Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally | 7.5 High | Jul 14, 2026 |
| CVE-2026-49176 | Improper privilege management in Windows WalletService allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-49169 | Use after free in DNS Server allows an authorized attacker to execute code over a network | 8.0 High | Jul 14, 2026 |
| CVE-2026-49170 | Insufficient granularity of access control in Windows StateRepository API allows an authorized attacker to elevate… | 7.8 High | Jul 14, 2026 |
| CVE-2026-49168 | Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to elevate privileges… | 6.8 Medium | Jul 14, 2026 |
| CVE-2026-49166 | Use after free in Microsoft Printer Drivers allows an authorized attacker to elevate privileges locally | 7.8 High | Jul 14, 2026 |
| CVE-2026-49167 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally | 4.7 Medium | Jul 14, 2026 |
| CVE-2026-49164 | Heap-based buffer overflow in Active Directory Domain Services allows an unauthorized attacker to execute code over a… | 8.1 High | Jul 14, 2026 |
| CVE-2026-49165 | Use of uninitialized resource in Microsoft Windows App Store allows an authorized attacker to disclose information… | 7.1 High | Jul 14, 2026 |
| CVE-2026-48571 | Use after free in Windows App Installer allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-49162 | Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally | 7.0 High | Jul 14, 2026 |
| CVE-2026-42990 | Heap-based buffer overflow in SQL Server ODBC driver allows an unauthorized attacker to execute code over a network | 9.8 Critical | Jul 14, 2026 |
| CVE-2026-48572 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows App Installer… | 7.0 High | Jul 14, 2026 |
| CVE-2026-42975 | Heap-based buffer overflow in Windows Bluetooth Port Driver allows an unauthorized attacker to execute code over an… | 8.0 High | Jul 14, 2026 |
| CVE-2026-42900 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows App Store… | 8.1 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