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CVE-2026-62775

nvd nist
Published: Aug 11, 2026Modified: Aug 13, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability: 1.8 / Impact: 3.6
Source: secure@microsoft.com (Secondary)

Description

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

Affected (2)

Microsoft
1 product
Windows 11 26h1
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
Windows 11 26h1
Before 10.0.28000.2704
Windows 11 26h1
Before 10.0.28000.2704

Related CWEs

CWE-863
Incorrect Authorization
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (1)

Source: secure@microsoft.com
PatchVendor Advisory

Timeline

No history available yet.