CVE-2026-13900

mediumCVSS 6.5covered by 2 sourcesfirst seen 2026-06-30

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

CSIRTS triage

What: There is insufficient validation of untrusted input in Chromecast.
Who is affected: Users of Chromium-based browsers, including Microsoft Edge, are affected.
Urgency: Remediation is necessary as the severity is unknown and exploitation status is not confirmed.
Action: Update to the latest version of Chromium or Microsoft Edge.

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

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Exploitation outlook

Low exploitation risk0.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.

Advisory coverage (2)

unknownCVE-2026-13900: Chromium: CVE-2026-13900 Insufficient validation of untrusted input in Chromecastmsrc · 2026-07-02
mediumCVE-2026-13900: Inappropriate implementation in Chromecast in Google Chrome prior to 150.0.7871.47 allowed a r…nvd · 2026-06-30

External references

NVD record for CVE-2026-13900

CVE.org record

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