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CVE PROGRAM SOURCE RECORD5.5 Medium

CVE-2026-50381

Composite Image File System driver (cimfs.sys) Information Disclosure Vulnerability

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Status
Published
Published
Updated
Assigning organization
microsoft

Description

Access of resource using incompatible type ('type confusion') in Composite Image File System Driver allows an authorized attacker to disclose information locally.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Windows 10 Version 21H2

  • 10.0.19044.0 to < 10.0.19044.7548affected

Microsoft Windows 10 Version 22H2

  • 10.0.19045.0 to < 10.0.19045.7548affected

Microsoft Windows 11 Version 24H2

  • 10.0.26100.0 to < 10.0.26100.8875affected

Microsoft Windows 11 Version 25H2

  • 10.0.26200.0 to < 10.0.26200.8875affected

Microsoft Windows 11 version 26H1

  • 10.0.28000.0 to < 10.0.28000.2525affected

Microsoft Windows Server 2022

  • 10.0.20348.0 to < 10.0.20348.5386affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26100.33158affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26100.33158affected

References