Description
Incorrect authorization in Isolated in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
Published: 2026-09-09
Score: 7.4 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 09 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
Title Bypass of Site Isolation via Crafted Page in Chrome chromium-browser: chromium-browser: Incorrect authorization in Isolated
Weaknesses CWE-551
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N'}

threat_severity

Important

Wed, 09 Sep 2026 05:15:00 +0000

Type Values Removed Values Added
Title Bypass of Site Isolation via Crafted Page in Chrome

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

Type Values Removed Values Added
Description Incorrect authorization in Isolated in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-863
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-09-09T00:09:56.457Z

Reserved: 2026-09-08T22:37:54.821Z

Link: CVE-2026-87468

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-09T01:17:03.337

Modified: 2026-09-09T01:17:03.337

Link: CVE-2026-87468

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-09T00:09:56Z

Links: CVE-2026-87468 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-09T05:00:06Z

Weaknesses
  • CWE-551

    Incorrect Behavior Order: Authorization Before Parsing and Canonicalization

  • CWE-863

    Incorrect Authorization