PT-2026-47993 · Microsoft · Windows 11 Version 23H2+4

Published 2026-06-09 · Updated 2026-06-09 · CVE-2026-45604

Mitre

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Out-of-bounds read in Windows Application Identity (AppID) Subsystem allows an authorized attacker to disclose information locally.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2026-45604

Affected Products

Windows 11 Version 23H2

Windows 11 Version 24H2

Windows 11 Version 25H2

Windows 11 Version 26H1

Windows Server 2025

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-45604 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45604 · Vendor Advisory