CVE-2026-87447

Incorrect authorization in Network in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: High)

  • Published Sep 9, 2026
  • CVSS 6.5 medium
  • 0.3% chance of exploitation in the next 30 days (EPSS)
  • Public exploit code is available
  • A fix is available

Affected software

CVE-2026-87447 at the National Vulnerability Database