CVE-2026-26155

Microsoft · Published April 14, 2026

6.5

CVSS v3.1

MEDIUM

Patch availableGet patch

Description

Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability. What type of information could be disclosed by this vulnerability? An attacker who successfully exploited this vulnerability could potentially read portions of heap memory.

Affected Products

Windows 11 Version 26H1 for ARM64-based Systems
Windows 11 version 26H1 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C