Chrome CVE-2026-87491 enters KEV: update and relaunch after the V8 fix

Published 10 Sep 2026 · Severity: high

CISA added CVE-2026-87491 to KEV on 9 September. The V8 out-of-bounds write can permit code execution inside the browser sandbox. Deploy the fixed Chrome release and confirm browsers have relaunched. This is separate from the earlier CVE-2026-85046 update.