Remote code execution in a widely deployed browser (Chrome) that can fully compromise endpoint hosts; impacts enterprise workstations broadly.
CVE-2026-76034
WebGL buffer overflow in Chrome enabling remote code execution outside the sandbox.
Is CVE-2026-76034 being exploited?
Not confirmed. CVE-2026-76034 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 0.70% probability of exploitation in the next 30 days.
How severe is CVE-2026-76034?
CVE-2026-76034 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-2026-76034?
Yes. A fix has been recorded for CVE-2026-76034. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-76034 affect?
CVE-2026-76034 affects Google Chrome < 151.0.7922.169, Chromium-based browsers, Windows/macOS/Linux endpoints. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-76034?
Update Chrome to 151.0.7922.169 or later; restrict/untrust WebGL; ensure EDR/AV coverage.
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; attacker can run arbitrary code and fully compromise user hosts.
Immediate action required
- affected< 151.0.7922.169
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.