CVE Vulnerabilities

CVE-2026-21523

Time-of-check Time-of-use (TOCTOU) Race Condition

Published: Feb 10, 2026 | Modified: Feb 11, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
root.io logo minimus.io logo echo.ai logo

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.

Weakness

The product checks the state of a resource before using that resource, but the resource’s state can change between the check and the use in a way that invalidates the results of the check.

Affected Software

NameVendorStart VersionEnd Version
Visual_studio_codeMicrosoft*1.109.2 (excluding)

Potential Mitigations

References