CVE-2026-102322: Incorrect Authorization in Google Chrome
Description
CVE-2026-102322 is a critical security vulnerability in Google Chrome's SiteIsolation feature prior to version 155.0.8059.39. It allows a remote attacker to execute arbitrary code by crafting a malicious HTML page. The vulnerability has a high CVSS score of 9.6, indicating severe impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 9.6critical
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves incorrect authorization in the SiteIsolation component of Google Chrome versions before 155.0.8059.39. An attacker can exploit this flaw by delivering a specially crafted HTML page, leading to arbitrary code execution within the browser context. The issue affects Chrome desktop versions prior to 155.0.8059.39 and has been assigned a CVSS v3.1 score of 9.6, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope change, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code on the victim's machine via a crafted HTML page, potentially compromising user data and system integrity. The vulnerability affects the SiteIsolation security boundary, which is critical for process separation and sandboxing in Chrome.
Mitigation Recommendations
Google has released an official fix in Chrome version 155.0.8059.39. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-28T21:44:52.033Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac546312cdf04f656d49cc0
Added to database: 10/06/2026, 19:04:17 UTC
Last enriched: 10/06/2026, 22:48:38 UTC
Last updated: 10/06/2026, 22:48:38 UTC
Views: 4
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