CVE-2026-93379: Medium severity Google Chrome vulnerability
Chromium CVE-2026-93379: Incorrect authorization in ORB
Other sources
Incorrect authorization in ORB in Google Chrome prior to 153.0.8010.52 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Low)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 153.0.4234.48 - Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 153.0.8010.52
Event History
Frequently Asked Questions
Who can exploit this issue?
A remote attacker can exploit it by persuading a user to load a crafted HTML page in an affected Google Chrome version.
Which Chrome versions are affected?
Google Chrome versions prior to 153.0.8010.52 are affected. Updating to 153.0.8010.52 or later addresses the affected version range described.
What security boundary could be bypassed?
The issue allows bypass of Chrome site isolation, which is intended to separate content from different sites.