MEDIUM 5.5 Microsoft
CVE-2026-45604
Windows Managed Installer Information Disclosure Vulnerability
Microsoft Security Update 2026-Jun: Windows Managed Installer Information Disclosure Vulnerability
Affected Products
- Windows Server 2025 (Server Core installation)
- Windows 11 Version 25H2 for ARM64-based Systems
- Windows 11 Version 25H2 for x64-based Systems
- Windows 11 Version 23H2 for ARM64-based Systems
- Windows 11 Version 23H2 for x64-based Systems
- Windows 11 Version 24H2 for ARM64-based Systems
- Windows 11 Version 24H2 for x64-based Systems
- Windows Server 2025
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45604
- https://nvd.nist.gov/vuln/detail/CVE-2026-45604
This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-06-09 via Microsoft. Affected: Windows Server 2025 (Server Core installation), Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems and 5 more.
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