CVE-2026-87543
Missing authorization in Core in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Low)
- Published Sep 9, 2026
- CVSS 4.3 medium
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available