Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.

Project Subscriptions

Vendors Products
Microsoft Subscribe
Windows 11 26h1 Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 11 Aug 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 11 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
Description Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.
Title Windows Container Isolation FS Filter Driver (unionfs.sys) Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft windows 11 26h1
Weaknesses CWE-863
CPEs cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*
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'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-11T22:31:56.719Z

Reserved: 2026-07-14T21:04:04.256Z

Link: CVE-2026-62775

cve-icon Vulnrichment

Updated: 2026-08-11T20:38:03.656Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-08-11T17:18:30.460

Modified: 2026-08-11T21:17:41.103

Link: CVE-2026-62775

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses