CVE-2026-84328: Missing authorization in Google Chrome
Description
A missing authorization vulnerability in the FileSystem component of Google Chrome prior to version 152.0.7977.75 allows a remote attacker who has compromised the renderer process to bypass the web origin policy via a crafted HTML page. The vulnerability has a low severity rating and does not impact integrity or availability.
CVSS v3.1
Score 3.1low
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84328 is a missing authorization vulnerability in the FileSystem feature of Google Chrome versions before 152.0.7977.75. This flaw enables a remote attacker with control over the renderer process to bypass the web origin policy by using a specially crafted HTML page. The vulnerability is classified under CWE-862 (Missing Authorization). The CVSS v3.1 base score is 3.1, indicating low severity, with network attack vector, high attack complexity, no privileges required, and user interaction required. Confidentiality impact is low, with no integrity or availability impact.
Potential Impact
An attacker who has already compromised the renderer process can bypass the web origin policy, potentially allowing unauthorized access to resources normally restricted by origin boundaries. However, the impact is limited to confidentiality with no integrity or availability effects. The overall severity is low.
Mitigation Recommendations
A fix is available in Google Chrome version 152.0.7977.75. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3gr4-2pf9-pg8h
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-84328"]
- Database Specific Severity
- LOW
- Cvss Version
- 3.1
Threat ID: 6a984532acd9273b496aa8b5
Added to database: 09/02/2026, 15:48:02 UTC
Last enriched: 09/08/2026, 02:27:55 UTC
Last updated: 10/17/2026, 18:48:23 UTC
Views: 57
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