CVE-2026-79086: Missing authorization in Google Chrome
Description
A missing authorization vulnerability in the CustomTabs feature of Google Chrome on Android versions prior to 152.0.7977.65 allows a local attacker to access sensitive information via a co-installed app. The issue has been assigned a medium severity rating by Chromium security. The vulnerability is fixed in version 152.0.7977.65.
CVSS v3.1
Score 5.1medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-79086 describes a missing authorization flaw in the CustomTabs component of Google Chrome for Android. This flaw permits a local attacker, leveraging a co-installed application, to obtain sensitive information without proper authorization. The vulnerability affects Chrome versions before 152.0.7977.65 and has a CVSS 3.1 base score of 5.1, indicating medium severity. The attack vector requires local access with high attack complexity and no privileges or user interaction. The vulnerability impacts confidentiality but not integrity or availability.
Potential Impact
An attacker with local access and a co-installed app can exploit this vulnerability to access sensitive information from the affected Chrome CustomTabs feature. The impact is limited to confidentiality loss; integrity and availability are not affected. The medium severity reflects the requirement for local access and the complexity of exploitation.
Mitigation Recommendations
Users should update Google Chrome on Android to version 152.0.7977.65 or later, where this vulnerability is fixed. The vendor advisory confirms the availability of this official fix. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:08:57.413Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9cfacd9273b49ac7027
Added to database: 08/25/2026, 20:23:43 UTC
Last enriched: 09/10/2026, 15:21:57 UTC
Last updated: 10/08/2026, 06:48:19 UTC
Views: 37
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