CVE-2026-79214: Improper input validation in Google Chrome
Description
CVE-2026-79214 is a medium severity vulnerability in Google Chrome prior to version 152.0.7977.65. It involves improper input validation in the Preload feature, which could allow a remote attacker who has compromised the renderer process to bypass the web origin policy using a crafted HTML page. This vulnerability does not have known exploits in the wild and has a CVSS score of 4.3.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's Preload functionality allows improper input validation that can be exploited by a remote attacker with control over the renderer process to bypass the web origin policy. The issue affects Chrome versions before 152.0.7977.65. The web origin policy bypass could potentially allow unauthorized access to web content boundaries, but the attack requires prior compromise of the renderer process. The CVSS 3.1 base score is 4.3, reflecting low complexity and no privileges required, but user interaction is needed.
Potential Impact
The impact is limited to confidentiality as the vulnerability allows bypassing the web origin policy, potentially exposing data across origins. There is no impact on integrity or availability. Exploitation requires prior compromise of the renderer process and user interaction, reducing the overall risk.
Mitigation Recommendations
The vendor advisory linked indicates a stable channel update for Chrome, implying that a fix is available in version 152.0.7977.65 or later. Users should update to Chrome version 152.0.7977.65 or later to remediate this vulnerability. No additional mitigation steps are specified or required.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:11:40.200Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9e0acd9273b49ac722d
Added to database: 08/25/2026, 20:24:00 UTC
Last enriched: 09/10/2026, 14:23:24 UTC
Last updated: 10/07/2026, 18:48:23 UTC
Views: 36
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