CVE-2026-23653: medium-severity vulnerability in Microsoft Visual Studio Code CoPilot Chat…
GitHub Copilot and Visual Studio Code Information Disclosure Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.7epss 0.8%
Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an authorized attacker to disclose information over a network.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Visual Studio Code CoPilot Chat ExtensionRelated CVEs — Microsoft Visual Studio Code CoPilot Chat…
In the same product, most dangerous first.
CVE-2026-21518HIGHGitHub Copilot and Visual Studio Code Security Feature Bypass VulnerabilityEPSS 1.4%CVE-2025-62222HIGHAgentic AI and Visual Studio Code Remote Code Execution VulnerabilityEPSS 0.8%CVE-2025-21264HIGHVisual Studio Code Security Feature Bypass VulnerabilityEPSS 0.8%CVE-2026-21523HIGHGitHub Copilot and Visual Studio Code Remote Code Execution VulnerabilityEPSS 0.8%CVE-2026-65675HIGHCoPilot Chat Security Feature Bypass VulnerabilityEPSS 0.6%CVE-2025-62449MEDIUMMicrosoft Visual Studio Code CoPilot Chat Extension Security Feature Bypass VulnerabilityEPSS 0.5%