Widely used browser with sandbox escape risk; could enable remote code execution.
CVE-2026-12465
Chrome sandbox escape via crafted HTML in renderer.
Is CVE-2026-12465 being exploited?
Not confirmed. CVE-2026-12465 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 0.24% probability of exploitation in the next 30 days.
How severe is CVE-2026-12465?
CVE-2026-12465 is rated High with a CVSS score of 8.3. 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-2026-12465?
Yes. A fix has been recorded for CVE-2026-12465. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-12465 affect?
CVE-2026-12465 affects Google Chrome. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-12465?
Update to Chrome 149.0.7827.155 or newer.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker with compromised renderer could escape the sandbox and execute code.
Patch when possible
- affected< 149.0.7827.155
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.