CVE-2026-14403
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 use after free vulnerability in V8.
- Who is affected
- Users of Microsoft Edge (Chromium-based) are affected.
- Urgency
- Remediation is necessary as the vulnerability could potentially be exploited, although it is not currently known to be exploited.
- Action
- Update to the latest version of Microsoft Edge to mitigate this vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownCVE-2026-14403: Chromium: CVE-2026-14403 Use after free in V8msrc · 2026-07-14
- highCVE-2026-14403: Use after free in V8 in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to exec…nvd · 2026-07-01
External references
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[](https://www.csirts.com/cve/CVE-2026-14403)