Chrome is a widely used enterprise browser; an RCE in the renderer sandbox risks large-scale endpoint compromise and would be broadly newsworthy.
CVE-2026-118335
RCE in Google Chrome on macOS via crafted HTML (pre-156.0.8078.73)
Is CVE-2026-118335 being exploited?
Not confirmed. CVE-2026-118335 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.
How severe is CVE-2026-118335?
CVE-2026-118335 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-2026-118335?
Yes. A fix has been recorded for CVE-2026-118335. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-118335 affect?
CVE-2026-118335 affects Google Chrome on macOS < 156.0.8078.73. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-118335?
Update Chrome on macOS to 156.0.8078.73+ immediately; restrict untrusted sites and ensure EDR coverage.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote arbitrary code execution within Chrome's sandbox via a crafted HTML page, compromising renderer processes on macOS.
Immediate action required
- affected< 156.0.8078.73
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.