CVE-2026-102330: Incorrect authorization in Google Chrome
An incorrect authorization vulnerability in the SiteIsolation feature of Google Chrome prior to version 154.0.8037.92 allows a remote attacker who has compromised the renderer process to bypass the web origin policy via a crafted HTML page. The vulnerability has been assigned a low severity by Chromium security. A fixed version is available at 154.0.8037.92.
AI Analysis
Technical Summary
CVE-2026-102330 is an authorization flaw in Google Chrome's SiteIsolation mechanism affecting versions before 154.0.8037.92. This flaw permits a remote attacker, with control over the renderer process, to bypass the web origin policy by using a specially crafted HTML page. This could potentially allow unauthorized access to web content from different origins within the browser context. The issue is addressed in Chrome version 154.0.8037.92.
Potential Impact
The vulnerability allows bypassing the web origin policy, which is a fundamental security control in browsers that isolates content from different web origins. However, exploitation requires prior compromise of the renderer process, limiting the attack scope. The Chromium security team rates this vulnerability as low severity, indicating limited impact under typical conditions.
Mitigation Recommendations
Users should update Google Chrome to version 154.0.8037.92 or later to remediate this vulnerability. The vendor advisory confirms that this update includes the fix. No additional mitigation steps are indicated.
CVE-2026-102330: Incorrect authorization in Google Chrome
Description
An incorrect authorization vulnerability in the SiteIsolation feature of Google Chrome prior to version 154.0.8037.92 allows a remote attacker who has compromised the renderer process to bypass the web origin policy via a crafted HTML page. The vulnerability has been assigned a low severity by Chromium security. A fixed version is available at 154.0.8037.92.
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-102330 is an authorization flaw in Google Chrome's SiteIsolation mechanism affecting versions before 154.0.8037.92. This flaw permits a remote attacker, with control over the renderer process, to bypass the web origin policy by using a specially crafted HTML page. This could potentially allow unauthorized access to web content from different origins within the browser context. The issue is addressed in Chrome version 154.0.8037.92.
Potential Impact
The vulnerability allows bypassing the web origin policy, which is a fundamental security control in browsers that isolates content from different web origins. However, exploitation requires prior compromise of the renderer process, limiting the attack scope. The Chromium security team rates this vulnerability as low severity, indicating limited impact under typical conditions.
Mitigation Recommendations
Users should update Google Chrome to version 154.0.8037.92 or later to remediate this vulnerability. The vendor advisory confirms that this update includes the fix. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-28T21:45:25.695Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01807488085.html","vendor":"Google"}]
Threat ID: 6abc2562680226ef68441403
Added to database: 09/29/2026, 20:53:54 UTC
Last enriched: 09/29/2026, 21:36:51 UTC
Last updated: 09/29/2026, 21:36:51 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.