Remote code execution in Google Chrome, a ubiquitous browser; high CVSS and sandbox bypass risk make this widely impactful across enterprises.
CVE-2026-118308
RCE via SVG use-after-free in Chrome allowing code execution outside sandbox
Is CVE-2026-118308 being exploited?
Not confirmed. CVE-2026-118308 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-2026-118308?
CVE-2026-118308 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-2026-118308?
Yes. A fix has been recorded for CVE-2026-118308. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-118308 affect?
CVE-2026-118308 affects Google Chrome <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-2026-118308?
Update Chrome to 156.0.8078.73 or later immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution outside Chrome sandbox via crafted HTML/SVG, enabling arbitrary code execution on victim hosts.
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.