CVE-2026-13976

mediumCVSS 5.8covered 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: There is a heap buffer overflow in Storage.
Who is affected: Microsoft Edge (Chromium-based) users that ingest Chromium.
Urgency: Remediation is necessary as it could lead to potential exploitation, though the severity is currently unknown.
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 risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.

Advisory coverage (2)

unknownCVE-2026-13976: Chromium: CVE-2026-13976 Heap buffer overflow in Storagemsrc · 2026-07-02
mediumCVE-2026-13976: Insufficient data validation in Storage in Google Chrome prior to 150.0.7871.47 allowed a remo…nvd · 2026-06-30

External references

NVD record for CVE-2026-13976

CVE.org record

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