HomeMicrosoftCVE-2026-21255

CVE-2026-21255

HIGH
8.8CVSS
Published: 2026-02-10
Updated: 2026-02-10
AI Analysis

Description

Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally.

CVSS Metrics

Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
local
Complexity
low
Privileges
low
User Action
none
Scope
changed
Confidentiality
high
Integrity
high
Availability
high
Weaknesses
CWE-284

Metadata

Primary Vendor
MICROSOFT
Published
2/10/2026
Last Modified
2/10/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

Microsoft : Refer to Description

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