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-2026-20824 | 1 Microsoft | 20 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 17 more | 2026-04-18 | 5.5 Medium |
| Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature locally. | ||||
| CVE-2026-2636 | 1 Microsoft | 5 Windows, Windows 11, Windows 11 23h2 and 2 more | 2026-04-18 | 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-2026-20809 | 1 Microsoft | 20 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 17 more | 2026-04-18 | 7.8 High |
| Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-20819 | 1 Microsoft | 6 Windows 11 23h2, Windows 11 23h2, Windows 11 24h2 and 3 more | 2026-04-18 | 5.5 Medium |
| Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally. | ||||
| CVE-2026-20829 | 1 Microsoft | 16 Windows 10 1809, Windows 10 21h2, Windows 10 21h2 and 13 more | 2026-04-18 | 5.5 Medium |
| Out-of-bounds read in Windows TPM allows an authorized attacker to disclose information locally. | ||||
| CVE-2026-20840 | 1 Microsoft | 23 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 20 more | 2026-04-18 | 7.8 High |
| Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. | ||||
| CVE-2026-20859 | 1 Microsoft | 5 Windows 11 24h2, Windows 11 24h2, Windows 11 25h2 and 2 more | 2026-04-18 | 7.8 High |
| Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-20864 | 1 Microsoft | 16 Windows 10 1809, Windows 10 21h2, Windows 10 21h2 and 13 more | 2026-04-18 | 7.8 High |
| Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-20877 | 1 Microsoft | 16 Windows 10 1809, Windows 10 21h2, Windows 10 21h2 and 13 more | 2026-04-18 | 7.8 High |
| Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-20870 | 1 Microsoft | 5 Windows 11 24h2, Windows 11 24h2, Windows 11 25h2 and 2 more | 2026-04-18 | 7.8 High |
| Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-20823 | 1 Microsoft | 18 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 15 more | 2026-04-16 | 5.5 Medium |
| Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally. | ||||
| CVE-2026-20827 | 1 Microsoft | 18 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 15 more | 2026-04-16 | 5.5 Medium |
| Exposure of sensitive information to an unauthorized actor in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to disclose information locally. | ||||
| CVE-2026-20831 | 1 Microsoft | 23 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 20 more | 2026-04-16 | 7.8 High |
| Time-of-check time-of-use (toctou) race condition in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-20836 | 1 Microsoft | 18 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 15 more | 2026-04-16 | 7 High |
| Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-20838 | 1 Microsoft | 10 Windows 11 23h2, Windows 11 23h2, Windows 11 24h2 and 7 more | 2026-04-16 | 5.5 Medium |
| Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally. | ||||
| CVE-2026-20844 | 1 Microsoft | 18 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 15 more | 2026-04-16 | 7.4 High |
| Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally. | ||||
| CVE-2026-20851 | 1 Microsoft | 5 Windows 11 24h2, Windows 11 24h2, Windows 11 25h2 and 2 more | 2026-04-16 | 6.2 Medium |
| Out-of-bounds read in Capability Access Management Service (camsvc) allows an unauthorized attacker to disclose information locally. | ||||
| CVE-2026-20857 | 1 Microsoft | 16 Windows 10 1809, Windows 10 21h2, Windows 10 21h2 and 13 more | 2026-04-16 | 7.8 High |
| Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-20919 | 1 Microsoft | 20 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 17 more | 2026-04-16 | 7.5 High |
| Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network. | ||||
| CVE-2026-20922 | 1 Microsoft | 23 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 20 more | 2026-04-16 | 7.8 High |
| Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. | ||||