CVE-2026-79116: Missing authorization in Google Chrome
Description
Missing authorization in Viz in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
CVSS v3.1
Score 4.3medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-79116 is a vulnerability in Google Chrome's Viz component affecting versions prior to 152.0.7977.65. It involves missing authorization checks that enable a remote attacker, who has already compromised the renderer process, to bypass the web origin policy by using a specially crafted HTML page. The vulnerability is rated medium severity by Chromium security and has a CVSS 3.1 base score of 4.3, indicating limited impact confined to confidentiality with no impact on integrity or availability.
Potential Impact
An attacker who has compromised the renderer process can bypass the web origin policy, potentially allowing unauthorized access to web content that should be isolated by origin boundaries. The impact is limited to confidentiality (partial information disclosure) without affecting integrity or availability.
Mitigation Recommendations
Google has released a stable channel update for desktop Chrome that addresses this vulnerability in version 152.0.7977.65. Users and administrators should update to this version or later to remediate the issue. No additional mitigation actions are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:09:47.787Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9d2acd9273b49ac7090
Added to database: 08/25/2026, 20:23:46 UTC
Last enriched: 09/18/2026, 23:09:41 UTC
Last updated: 10/08/2026, 18:48:48 UTC
Views: 29
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