Improper input validation in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
History

Wed, 09 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Vendors & Products Google
Google chrome

Wed, 09 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Title Renderer Process Escalation via Improper SiteIsolation Input Validation in Chrome

Wed, 09 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 09 Sep 2026 01:00:00 +0000

Type Values Removed Values Added
Description Improper input validation in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-20
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2026-09-09T00:09:40.313Z

Updated: 2026-09-10T03:56:14.293Z

Reserved: 2026-09-08T22:40:26.565Z

Link: CVE-2026-87553

cve-icon Vulnrichment

Updated: 2026-09-09T14:13:29.311Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-09T01:17:12.900

Modified: 2026-09-10T04:18:25.927

Link: CVE-2026-87553

cve-icon Redhat

No data.