HomeMicrosoftCVE-2026-21523

CVE-2026-21523

HIGH
8.0CVSS
Published: 2026-02-10
Updated: 2026-02-11
AI Analysis

Description

Time-of-check time-of-use (toctou) race condition in GitHub Copilot and Visual Studio allows an authorized attacker to execute code over a network.

CVSS Metrics

Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Vector
network
Complexity
low
Privileges
low
User Action
required
Scope
unchanged
Confidentiality
high
Integrity
high
Availability
high
Weaknesses
CWE-367

Metadata

Primary Vendor
MICROSOFT
Published
2/10/2026
Last Modified
2/11/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

microsoft : visual_studio_code

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