CVE-2026-13861

criticalCVSS 9.6covered by 3 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: Multiple vulnerabilities exist in Microsoft Edge.
Who is affected: Users of Microsoft Edge.
Urgency: Remediation urgency is unclear due to lack of specific details.
Action: Monitor for updates from Microsoft.

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

⚡ Watch CVE-2026-13861

Get an email if CVE-2026-13861 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.

Exploitation outlook

Low exploitation risk0.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.

Advisory coverage (3)

unknownMicrosoft Edge Multiple Vulnerabilitieshkcert · 2026-07-06
unknownCVE-2026-13861: Chromium: CVE-2026-13861 Use after free in Coremsrc · 2026-07-02
criticalCVE-2026-13861: Use after free in Core in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who h…nvd · 2026-06-30

External references

NVD record for CVE-2026-13861

CVE.org record

Embed the live status

— this badge updates automatically when the KEV or exploit status changes. How to embed it →

[![CVE-2026-13861 status](https://www.csirts.com/badge/CVE-2026-13861)](https://www.csirts.com/cve/CVE-2026-13861)