Windows Server 2025
by Microsoft
CVEs (1,296)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-21239 | 0.00 | — | 0.00 | Feb 10, 2026 | Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21241 | 0.00 | — | 0.02 | Feb 10, 2026 | Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21240 | 0.00 | — | 0.00 | Feb 10, 2026 | Time-of-check time-of-use (toctou) race condition in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21243 | 0.00 | — | 0.01 | Feb 10, 2026 | Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network. | |||
| CVE-2026-21245 | 0.00 | — | 0.00 | Feb 10, 2026 | Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21249 | 0.00 | — | 0.11 | Feb 10, 2026 | External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally. | |||
| CVE-2026-21251 | 0.00 | — | 0.00 | Feb 10, 2026 | Use after free in Windows Cluster Client Failover allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21253 | 0.00 | — | 0.01 | Feb 10, 2026 | Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21255 | 0.00 | — | 0.00 | Feb 10, 2026 | Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally. | |||
| CVE-2026-21508 | 0.00 | — | 0.00 | Feb 10, 2026 | Improper authentication in Windows Storage allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21236 | 0.00 | — | 0.00 | Feb 10, 2026 | Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21234 | 0.00 | — | 0.00 | Feb 10, 2026 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21242 | 0.00 | — | 0.00 | Feb 10, 2026 | Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21246 | 0.00 | — | 0.00 | Feb 10, 2026 | Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21247 | 0.00 | — | 0.01 | Feb 10, 2026 | Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally. | |||
| CVE-2026-20941 | 0.00 | — | 0.00 | Jan 13, 2026 | Improper link resolution before file access ('link following') in Host Process for Windows Tasks allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-20939 | 0.00 | — | 0.00 | Jan 13, 2026 | Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally. | |||
| CVE-2026-20937 | 0.00 | — | 0.00 | Jan 13, 2026 | Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally. | |||
| CVE-2026-20936 | 0.00 | — | 0.00 | Jan 13, 2026 | Out-of-bounds read in Windows NDIS allows an authorized attacker to disclose information with a physical attack. | |||
| CVE-2026-20874 | 0.00 | — | 0.00 | Jan 13, 2026 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally. |
- CVE-2026-21239Feb 10, 2026risk 0.00cvss —epss 0.00
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-21241Feb 10, 2026risk 0.00cvss —epss 0.02
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CVE-2026-21240Feb 10, 2026risk 0.00cvss —epss 0.00
Time-of-check time-of-use (toctou) race condition in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-21243Feb 10, 2026risk 0.00cvss —epss 0.01
Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.
- CVE-2026-21245Feb 10, 2026risk 0.00cvss —epss 0.00
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-21249Feb 10, 2026risk 0.00cvss —epss 0.11
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.
- CVE-2026-21251Feb 10, 2026risk 0.00cvss —epss 0.00
Use after free in Windows Cluster Client Failover allows an authorized attacker to elevate privileges locally.
- CVE-2026-21253Feb 10, 2026risk 0.00cvss —epss 0.01
Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally.
- CVE-2026-21255Feb 10, 2026risk 0.00cvss —epss 0.00
Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally.
- CVE-2026-21508Feb 10, 2026risk 0.00cvss —epss 0.00
Improper authentication in Windows Storage allows an authorized attacker to elevate privileges locally.
- CVE-2026-21236Feb 10, 2026risk 0.00cvss —epss 0.00
Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CVE-2026-21234Feb 10, 2026risk 0.00cvss —epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-21242Feb 10, 2026risk 0.00cvss —epss 0.00
Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
- CVE-2026-21246Feb 10, 2026risk 0.00cvss —epss 0.00
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
- CVE-2026-21247Feb 10, 2026risk 0.00cvss —epss 0.01
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
- CVE-2026-20941Jan 13, 2026risk 0.00cvss —epss 0.00
Improper link resolution before file access ('link following') in Host Process for Windows Tasks allows an authorized attacker to elevate privileges locally.
- CVE-2026-20939Jan 13, 2026risk 0.00cvss —epss 0.00
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
- CVE-2026-20937Jan 13, 2026risk 0.00cvss —epss 0.00
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
- CVE-2026-20936Jan 13, 2026risk 0.00cvss —epss 0.00
Out-of-bounds read in Windows NDIS allows an authorized attacker to disclose information with a physical attack.
- CVE-2026-20874Jan 13, 2026risk 0.00cvss —epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
Page 22 of 65