Widespread Chrome browser; sandbox escape could lead to remote code execution across endpoints.
CVE-2026-14423
Type confusion in Tint enables Chrome sandbox escape via crafted HTML.
Is CVE-2026-14423 being exploited?
Not confirmed. CVE-2026-14423 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 0.38% probability of exploitation in the next 30 days.
How severe is CVE-2026-14423?
CVE-2026-14423 is rated Critical with a CVSS score of 9.6. 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-2026-14423?
Yes. A fix has been recorded for CVE-2026-14423. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-14423 affect?
CVE-2026-14423 affects Google Chrome (Chromium-based) <=150.0.7871.46. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-14423?
Update Chrome to 150.0.7871.46+
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution / sandbox escape via crafted HTML page in Chrome.
Immediate action required
- affected< 150.0.7871.46
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.