Widely-used Chrome browser; sandbox-escape RCE risk affects many endpoints; high visibility.
CVE-2026-11043
Out-of-bounds write in ANGLE enables Chrome sandbox escape on macOS.
Is CVE-2026-11043 being exploited?
Not confirmed. CVE-2026-11043 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 0.30% probability of exploitation in the next 30 days.
How severe is CVE-2026-11043?
CVE-2026-11043 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-2026-11043?
Yes. A fix has been recorded for CVE-2026-11043. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-11043 affect?
CVE-2026-11043 affects Google Chrome for macOS, Chromium ANGLE component (macOS). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-11043?
Update to Chrome 149.0.7827.53+
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker via crafted HTML can escape Chrome sandbox on macOS, enabling code execution.
Immediate action required
- affected< 149.0.7827.53
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.