Widespread Chrome browser RCE; affects many enterprises; could lead to full endpoint compromise via malicious HTML.
CVE-2026-11646
Chrome ViewTransitions use-after-free enables RCE via crafted HTML.
Is CVE-2026-11646 being exploited?
Not confirmed. CVE-2026-11646 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 0.26% probability of exploitation in the next 30 days.
How severe is CVE-2026-11646?
CVE-2026-11646 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-2026-11646?
Yes. A fix has been recorded for CVE-2026-11646. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-11646 affect?
CVE-2026-11646 affects Google Chrome < 149.0.7827.103. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-11646?
Update Chrome to 149.0.7827.103+
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 may execute arbitrary code with user privileges.
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.