Remote code execution in Google Chrome's WebRTC affects a ubiquitous browser; endpoint compromise risk across organizations makes this broadly relevant.
CVE-2026-118328
Chrome WebRTC RCE via crafted HTML (sandboxed) — update immediately
Is CVE-2026-118328 being exploited?
Not confirmed. CVE-2026-118328 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-2026-118328?
CVE-2026-118328 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-2026-118328?
Yes. A fix has been recorded for CVE-2026-118328. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-118328 affect?
CVE-2026-118328 affects Google Chrome prior to 156.0.8078.73 (desktop). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-118328?
Update Chrome to 156.0.8078.73+ on all endpoints and enforce auto-update.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker can execute arbitrary code inside Chrome's sandbox via a crafted HTML page, enabling endpoint compromise or further exploitation.
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.