Widely used browser flaw with RCE risk across endpoints; Chrome/Chromium widespread in enterprises.
CVE-2026-11630
Use-after-free in Chrome file input enables RCE via crafted HTML page.
Is CVE-2026-11630 being exploited?
Not confirmed. CVE-2026-11630 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 0.25% probability of exploitation in the next 30 days.
How severe is CVE-2026-11630?
CVE-2026-11630 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-2026-11630?
Yes. A fix has been recorded for CVE-2026-11630. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-11630 affect?
CVE-2026-11630 affects Google Chrome (Chromium) < 149.0.7827.103. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-11630?
Update Chrome to latest (>=149.0.7827.103) ASAP
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution on user endpoints via crafted HTML page exploiting Chrome File Input use-after-free.
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.