Description
Incorrect authorization in Network 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: High)
Published: 2026-09-09
Score: 8.1 High
EPSS: < 1% Very Low
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

Thu, 10 Sep 2026 19:30:00 +0000

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

Thu, 10 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}

ssvc

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

cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}


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

Type Values Removed Values Added
Title Chrome Network Authorization Flaw Enables Site Isolation Bypass chromium-browser: chromium-browser: Incorrect authorization in Network
Weaknesses CWE-653
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}

threat_severity

Important


Wed, 09 Sep 2026 08:15:00 +0000

Type Values Removed Values Added
Title Chrome Network Authorization Flaw Enables Site Isolation Bypass

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

Type Values Removed Values Added
Description Incorrect authorization in Network 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: High)
Weaknesses CWE-863
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-09-10T15:29:35.802Z

Reserved: 2026-09-08T22:38:50.878Z

Link: CVE-2026-87499

cve-icon Vulnrichment

Updated: 2026-09-10T15:29:31.336Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-09T01:17:06.797

Modified: 2026-09-10T19:24:14.547

Link: CVE-2026-87499

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-09T00:09:36Z

Links: CVE-2026-87499 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-11T03:30:16Z

Weaknesses