Affects widely-used Chrome browser; remote code execution via crafted HTML page; broad impact.
CVE-2026-11645
Chrome V8 OOB read/write enables RCE via crafted HTML page
Is CVE-2026-11645 being exploited?
Yes. CVE-2026-11645 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.
How severe is CVE-2026-11645?
CVE-2026-11645 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-2026-11645?
Yes. A fix has been recorded for CVE-2026-11645. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-11645 affect?
CVE-2026-11645 affects Google Chrome (<149.0.7827.103), Chromium-based browsers. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-11645?
Update Chrome to 149.0.7827.103 or newer
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE in Chrome sandbox via crafted HTML page; attacker can execute arbitrary code.
Patch when possible
- affected< 149.0.7827.103
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.