CVE-2026-45482

highCVSS 8.4covered by 1 sourcefirst seen 2026-06-09

Initialization of a resource with an insecure default in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to disclose information over a network.

CSIRTS triage

What: A security feature bypass vulnerability allows an unauthorized attacker to disclose information over a network.
Who is affected: Deployments of GitHub Copilot and Visual Studio Code.
Urgency: Remediation is urgent due to the high severity and potential for information disclosure.
Action: Update to the latest version of Visual Studio Code.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-45482: Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerabilitymsrc · 2026-06-09

External references

NVD record for CVE-2026-45482

CVE.org record

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