CVE-2026-62775

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 36/100
Published: 2026-08-11 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: High
I: None
A: None

Description

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

Affected Software (3)

VendorProductVersion
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2704
microsoft windows_11_26h1 < 10.0.28000.2704
microsoft windows_11_26h1 < 10.0.28000.2704

References & Advisories (1)

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
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

EPSS — Exploitation Probability

0.35%
Raw Score 0.003500
Percentile 28.6%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00350
2026-10-28
0.00350

Intelligence Sources

mitre ref →
nvd ref →