CVE-2026-21523

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Source
https://cve.org/CVERecord?id=CVE-2026-21523
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21523.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-21523
Published
2026-02-10T18:16:34.743Z
Modified
2026-07-10T21:01:59.119165Z
Severity
  • 8.0 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/microsoft/vscode

Affected ranges

Type
GIT
Repo
https://github.com/microsoft/vscode
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
591199df409fbf59b4b52d5ad4ee0470152a9b31
Database specific 
{
    "cpe": "cpe:2.3:a:microsoft:visual_studio_code:*:*:*:*:*:-:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.109.2"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

0.*
0.10.10-insiders
0.10.12-insiders
0.10.5
0.10.7-insiders
1.*
1.1.0-insider
1.109.0
1.109.1
1.16.0
translation/20160817.*
translation/20160817.01
translation/20160826.*
translation/20160826.01
translation/20160902.*
translation/20160902.01
translation/20161014.*
translation/20161014.01
translation/20161209.*
translation/20161209.01
translation/20170217.*
translation/20170217.01
translation/20170227.*
translation/20170227.01
translation/20170311.*
translation/20170311.01
translation/20170317.*
translation/20170317.01
translation/20170324.*
translation/20170324.01
translation/20170331.*
translation/20170331.01

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21523.json"