CVE-2026-19151
Chrome V8 use-after-free allows sandboxed remote code execution via crafted HTML.
Is CVE-2026-19151 being exploited?
Not confirmed. CVE-2026-19151 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 0.54% probability of exploitation in the next 30 days.
How severe is CVE-2026-19151?
CVE-2026-19151 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-2026-19151?
Yes. A fix has been recorded for CVE-2026-19151. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-19151 affect?
CVE-2026-19151 affects Google Chrome < 151.0.7922.109, Chromium-based browsers (potential). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-19151?
Update Chrome to 151.0.7922.109+ immediately; prioritize browsers on critical systems.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary code execution in Chrome's renderer sandbox via a crafted HTML page, enabling browser compromise and potential data theft or pivoting.
Patch when possible
- affected< 151.0.7922.109
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.