Filtered by vendor Microsoft
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Filtered by product Windows 11 25h2
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Total
454 CVE
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-21249 | 1 Microsoft | 29 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 26 more | 2026-04-15 | 3.3 Low |
| External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally. | ||||
| CVE-2026-21245 | 1 Microsoft | 8 Windows 11 24h2, Windows 11 24h2, Windows 11 25h2 and 5 more | 2026-04-15 | 7.8 High |
| Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-21244 | 1 Microsoft | 25 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 22 more | 2026-04-15 | 7.3 High |
| Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally. | ||||
| CVE-2026-21240 | 1 Microsoft | 22 Windows 10 1809, Windows 10 21h2, Windows 10 21h2 and 19 more | 2026-04-15 | 7.8 High |
| Time-of-check time-of-use (toctou) race condition in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-21241 | 1 Microsoft | 15 Windows 11 22h3, Windows 11 23h2, Windows 11 23h2 and 12 more | 2026-04-15 | 7 High |
| Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-21239 | 1 Microsoft | 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more | 2026-04-15 | 7.8 High |
| Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-21238 | 1 Microsoft | 30 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 27 more | 2026-04-15 | 7.8 High |
| Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-21237 | 1 Microsoft | 19 Windows 10 21h2, Windows 10 21h2, Windows 10 22h2 and 16 more | 2026-04-15 | 7 High |
| Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-21232 | 1 Microsoft | 14 Windows 11 22h3, Windows 11 23h2, Windows 11 23h2 and 11 more | 2026-04-15 | 7.8 High |
| Untrusted pointer dereference in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-21231 | 1 Microsoft | 30 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 27 more | 2026-04-15 | 7.8 High |
| Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-20846 | 1 Microsoft | 31 Office, Windows 10 1607, Windows 10 1809 and 28 more | 2026-04-15 | 7.5 High |
| Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network. | ||||
| CVE-2026-2636 | 1 Microsoft | 5 Windows, Windows 11, Windows 11 23h2 and 2 more | 2026-04-15 | 5.5 Medium |
| This vulnerability is caused by a CWE‑159: "Improper Handling of Invalid Use of Special Elements" weakness, which leads to an unrecoverable inconsistency in the CLFS.sys driver. This condition forces a call to the KeBugCheckEx function, allowing an unprivileged user to trigger a system crash. Microsoft silently fixed this vulnerability in the September 2025 cumulative update for Windows 11 2024 LTSC and Windows Server 2025. Windows 25H2 (released in September) was released with the patch. Windows 1123h2 and earlier versions remain vulnerable. | ||||
| CVE-2026-23674 | 1 Microsoft | 30 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 27 more | 2026-04-14 | 7.5 High |
| Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network. | ||||
| CVE-2026-26132 | 1 Microsoft | 19 Windows 10 21h2, Windows 10 21h2, Windows 10 22h2 and 16 more | 2026-04-14 | 7.8 High |
| Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-26128 | 1 Microsoft | 30 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 27 more | 2026-04-14 | 7.8 High |
| Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-25190 | 1 Microsoft | 30 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 27 more | 2026-04-14 | 7.8 High |
| Untrusted search path in Windows GDI allows an unauthorized attacker to execute code locally. | ||||
| CVE-2026-25188 | 1 Microsoft | 30 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 27 more | 2026-04-14 | 8.8 High |
| Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate privileges over an adjacent network. | ||||
| CVE-2026-25187 | 1 Microsoft | 30 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 27 more | 2026-04-14 | 7.8 High |
| Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-25186 | 1 Microsoft | 30 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 27 more | 2026-04-14 | 5.5 Medium |
| Exposure of sensitive information to an unauthorized actor in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to disclose information locally. | ||||
| CVE-2026-25185 | 1 Microsoft | 30 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 27 more | 2026-04-14 | 5.3 Medium |
| Exposure of sensitive information to an unauthorized actor in Windows Shell Link Processing allows an unauthorized attacker to perform spoofing over a network. | ||||