Race condition in FileAPI 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: Medium)

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

Type Values Removed Values Added
Title FileAPI Race Condition Allows Site Isolation Bypass in Chrome
Metrics ssvc

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


Thu, 10 Sep 2026 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Vendors & Products Google
Google chrome
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Wed, 09 Sep 2026 07:45:00 +0000

Type Values Removed Values Added
Title FileAPI Race Condition Allows Site Isolation Bypass in Chrome

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

Type Values Removed Values Added
Description Race condition in FileAPI 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: Medium)
Weaknesses CWE-367
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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-09-10T15:35:47.095Z

Reserved: 2026-09-08T22:22:29.338Z

Link: CVE-2026-87433

cve-icon Vulnrichment

Updated: 2026-09-10T15:35:42.704Z

cve-icon NVD

Status : Modified

Published: 2026-09-09T01:16:59.450

Modified: 2026-09-10T16:18:04.310

Link: CVE-2026-87433

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-10T16:15:06Z

Weaknesses