Windows 11 25h2
by Microsoft
Source repositories
CVEs (1,186)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-21244 | Hig | 0.51 | 7.3 | 0.01 | Feb 10, 2026 | Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally. | ||
| CVE-2026-21240 | Hig | 0.51 | 7.8 | 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-2026-21239 | Hig | 0.51 | 7.8 | 0.00 | Feb 10, 2026 | Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-21238 | Hig | 0.51 | 7.8 | 0.03 | Feb 10, 2026 | Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-21236 | Hig | 0.51 | 7.8 | 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-2026-21232 | Hig | 0.51 | 7.8 | 0.00 | Feb 10, 2026 | Untrusted pointer dereference in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-21231 | Hig | 0.51 | 7.8 | 0.03 | Feb 10, 2026 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-20941 | Hig | 0.51 | 7.8 | 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-2026-20938 | Hig | 0.51 | 7.8 | 0.00 | Jan 13, 2026 | Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-20924 | Hig | 0.51 | 7.8 | 0.00 | Jan 13, 2026 | Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-20923 | Hig | 0.51 | 7.8 | 0.00 | Jan 13, 2026 | Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-20922 | Hig | 0.51 | 7.8 | 0.01 | Jan 13, 2026 | Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. | ||
| CVE-2026-20918 | Hig | 0.51 | 7.8 | 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-2026-20877 | Hig | 0.51 | 7.8 | 0.00 | Jan 13, 2026 | Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-20874 | Hig | 0.51 | 7.8 | 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-2026-20873 | Hig | 0.51 | 7.8 | 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-2026-20871 | Hig | 0.51 | 7.8 | 0.04 | Jan 13, 2026 | Use after free in Desktop Windows Manager allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-20870 | Hig | 0.51 | 7.8 | 0.00 | Jan 13, 2026 | Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-20867 | Hig | 0.51 | 7.8 | 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-2026-20866 | Hig | 0.51 | 7.8 | 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. |
- risk 0.51cvss 7.3epss 0.01
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
- risk 0.51cvss 7.8epss 0.00
Time-of-check time-of-use (toctou) race condition in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.03
Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Untrusted pointer dereference in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.03
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Improper link resolution before file access ('link following') in Host Process for Windows Tasks allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.01
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
- risk 0.51cvss 7.8epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.04
Use after free in Desktop Windows Manager allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
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