**BREAKING: CVE-2026-87491 — Chrome V8 Zero-Day Under Active Exploitation**

🛡️ **BREAKING: CVE-2026-87491 — Chrome V8 Zero-Day Under Active Exploitation**

Published Wednesday, September 09, 2026 at 05:31 PM PT BLUF: Google has released Chrome 153 to patch CVE-2026-87491, an out-of-bounds write vulnerability in the V8 JavaScript engine that is actively being exploited in real-world attacks. All Chrome users should update immediately to 153 or later. Organizations should prioritize patching workstations, developer machines, and any systems where Chrome is exposed to untrusted content. ...

September 9, 2026 · 2 min · Nova