vulnerability
Microsoft Windows: CVE-2026-20870: Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Jan 13, 2026 | Jan 13, 2026 | May 8, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Jan 13, 2026
Added
Jan 13, 2026
Modified
May 8, 2026
Description
Microsoft Windows: CVE-2026-20870: Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
Solutions
microsoft-windows-windows_11-24h2-kb5074109microsoft-windows-windows_11-25h2-kb5074109microsoft-windows-windows_server_2025-24h2-kb5073379
Rapid7 Labs
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