CVE-2026-21523

CWE-3674 documents4 sources
Severity
8.0HIGH
EPSS
0.0%
top 89.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Microsoft Microsoft Visual Studio Code Copilot Chat ExtensionMicrosoft Visual Studio Code
Timeline
PublishedFeb 10

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 vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HExploitability: 2.1 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5microsoft/visual_studio_code1.0.0 — 1.109.2

🔴Vulnerability Details

1
CVEList
GitHub Copilot and Visual Studio Code Remote Code Execution Vulnerability↗2026-02-10
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📋Vendor Advisories

1
Microsoft
GitHub Copilot and Visual Studio Code Remote Code Execution Vulnerability↗2026-02-10
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🕵️Threat Intelligence

1
Wiz
CVE-2026-21523 Impact, Exploitability, and Mitigation Steps | Wiz↗
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