Affects widely used Google Chrome V8 engine; remote code execution in browsers can compromise endpoints across organizations and warrants org-wide action.
CVE-2026-16418
V8 stack overflow allows remote arbitrary code execution in Chrome <150.0.7871.182
Is CVE-2026-16418 being exploited?
Not confirmed. CVE-2026-16418 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.33% probability of exploitation in the next 30 days.
How severe is CVE-2026-16418?
CVE-2026-16418 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-16418?
Yes. A fix has been recorded for CVE-2026-16418. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-16418 affect?
CVE-2026-16418 affects Google Chrome <150.0.7871.182, Chromium-based browsers using affected V8 builds. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-16418?
Update Chrome to 150.0.7871.182 or later across your fleet; block untrusted web content.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote arbitrary code execution via crafted HTML in V8 (browser sandbox), enabling browser compromise, data theft, or persistence.
Immediate action required
- affected< 150.0.7871.182
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.