Widespread browser vuln with sandbox escape; Chrome is ubiquitous across industries; could disrupt IT operations if exploited.
CVE-2026-14420
Chrome Dawn OOB read/write enables sandbox escape via crafted HTML.
Is CVE-2026-14420 being exploited?
Not confirmed. CVE-2026-14420 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 0.34% probability of exploitation in the next 30 days.
How severe is CVE-2026-14420?
CVE-2026-14420 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-2026-14420?
Yes. A fix has been recorded for CVE-2026-14420. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-14420 affect?
CVE-2026-14420 affects Google Chrome (Dawn GPU stack), Chromium. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-14420?
Update Chrome to 150.0.7871.46 or newer
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote sandbox escape enabling potential remote code execution via crafted HTML page in Chrome.
Patch when possible
- 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.