CVE-2026-45604

MEDIUM

Microsoft Windows 11 version 23H2 - Windows Managed Installer Information Disclosure Vulnerability

Title source: rule
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows Managed Installer Information Disclosure Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45604

Scores

CVSS v3 5.5
EPSS 0.0027
EPSS Percentile 18.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (11)
Microsoft/Windows 11 version 23H2 10.0.22631.0 - 10.0.22631.7219
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.8655
Microsoft/Windows 11 Version 25H2 10.0.26200.0 - 10.0.26200.8655
Microsoft/Windows 11 version 26H1 10.0.28000.0 - 10.0.28000.2269
Microsoft/Windows Server 2025 10.0.26100.0 - 10.0.26100.32995
Microsoft/Windows Server 2025 (Server Core installation) 10.0.26100.0 - 10.0.26100.32995
microsoft/windows_11_23h2 < 10.0.22631.7219 (2 CPE variants)
microsoft/windows_11_24h2 < 10.0.26100.8655 (2 CPE variants)
microsoft/windows_11_25h2 < 10.0.26200.8655 (2 CPE variants)
microsoft/windows_11_26h1 < 10.0.28000.2269 (2 CPE variants)
... and 1 more
Published Jun 09, 2026
Tracked Since Jun 09, 2026