CVE-2026-91712

chromium-browser: chromium-browser: Race condition in Extensions

Published Sep 15, 2026 CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
Description
Race condition in Extensions in Google Chrome on on Mac prior to 153.0.8010.47 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: High)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4790-1 chromium security update
Debian DSA Debian DSA DSA-6506-1 chromium security update
History
Type Values Removed Values Added
Title chromium-browser: chromium-browser: Race condition in Extensions
Weaknesses CWE-368
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
Title Race Condition in Chrome Extensions Enabling Remote Code Execution on macOS
Type Values Removed Values Added
First Time appeared Apple
Apple macos
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Title Race Condition in Chrome Extensions Enabling Remote Code Execution on macOS
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'}

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Race condition in Extensions in Google Chrome on on Mac prior to 153.0.8010.47 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: High)
Weaknesses CWE-367
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Sep 17, 2026, 3:56 AM
Reserved
Sep 14, 2026, 10:51 PM
Status
Analyzed
Published
Sep 15, 2026, 9:16 PM
Modified
Sep 17, 2026, 1:37 PM
Severity
Important
Public date
Sep 15, 2026, 8:41 PM