Improper input validation in Preload in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to… (CVE-2026-79214)
Description
An improper input validation vulnerability exists in the Preload component of Google Chrome versions prior to 152.0.7977.65. This flaw allows a remote attacker who has already compromised the renderer process to bypass the web origin policy by using a crafted HTML page. The vulnerability has a medium severity rating and does not impact integrity or availability.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-79214 describes an input validation weakness in the Preload feature of Google Chrome before version 152.0.7977.65. An attacker with control over the renderer process can exploit this to bypass the web origin policy, potentially allowing unauthorized access to web resources. The vulnerability is classified under CWE-20 (Improper Input Validation) and has a CVSS v3.1 base score of 4.3, indicating a moderate impact primarily on confidentiality.
Potential Impact
The vulnerability allows bypassing the web origin policy, which could lead to unauthorized access to web content from different origins. However, it requires prior compromise of the renderer process, limiting the attack scope. There is no impact on integrity or availability reported.
Mitigation Recommendations
No explicit patch or remediation information is provided. Patch status is not yet confirmed — check the official Google Chrome security advisories for updates and remediation guidance. Users should update to version 152.0.7977.65 or later once available to address this issue.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-47v9-6442-6535
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-79214"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a91a877acd9273b49069d89
Added to database: 08/28/2026, 15:25:43 UTC
Last enriched: 09/09/2026, 22:53:38 UTC
Last updated: 10/13/2026, 06:48:19 UTC
Views: 39
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