CVE-2026-14121

criticalCVSS 9.8covered 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: This vulnerability involves a use after free in Chromoting.
Who is affected: Users of Microsoft Edge (Chromium-based) are affected.
Urgency: Remediation is not urgent as there is no known exploitation.
Action: Monitor for updates from Microsoft regarding this issue.

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 26% of all EPSS-scored CVEs.

Advisory coverage (2)

unknownCVE-2026-14121: Chromium: CVE-2026-14121 Use after free in Chromotingmsrc · 2026-07-02
criticalCVE-2026-14121: Use after free in Chromoting in Google Chrome on Linux prior to 150.0.7871.47 allowed a remote…nvd · 2026-06-30

External references

NVD record for CVE-2026-14121

CVE.org record

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