CVE-2026-112809

Windows Composite Image File System Information Disclosure Vulnerability

Published Nov 10, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
Improper access control in Windows Composite Image File System allows an authorized attacker to disclose information locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-424
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Microsoft windows 11 26h1
Vendors & Products Microsoft windows 11 26h1
Type Values Removed Values Added
Weaknesses CWE-424
Type Values Removed Values Added
Weaknesses CWE-424
Type Values Removed Values Added
Description Improper access control in Windows Composite Image File System allows an authorized attacker to disclose information locally.
Title Windows Composite Image File System Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft windows 11 26h1
CPEs cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:arm64:*
Vendors & Products Microsoft
Microsoft windows 11 26h1
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 12, 2026, 9:45 PM
Reserved
Oct 19, 2026, 6:16 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 7:18 PM
Modified
Nov 12, 2026, 10:18 PM