CVE-2026-79222: Incorrect authorization in Google Chrome
Description
CVE-2026-79222 is a medium severity vulnerability in Google Chrome for Android affecting versions prior to 152.0.7977.65. It involves incorrect authorization in the CustomTabs feature, allowing a local attacker to bypass the web origin policy via a co-installed app. This could potentially lead to unauthorized access to web content within the browser context.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome on Android arises from incorrect authorization handling in the CustomTabs component. Specifically, it allows a local attacker, through a co-installed application, to bypass the web origin policy, which is a critical security mechanism designed to isolate web content from different origins. The flaw affects Chrome versions before 152.0.7977.65. The CVSS score is 4.3 (medium severity), indicating limited impact primarily on confidentiality with no impact on integrity or availability. No known exploits are reported in the wild at this time.
Potential Impact
An attacker with local access on an Android device could exploit this vulnerability to bypass the web origin policy in Chrome's CustomTabs, potentially accessing web content that should be isolated by origin restrictions. The impact is limited to confidentiality (partial information disclosure) without affecting integrity or availability of the browser or system.
Mitigation Recommendations
Google has released Chrome version 152.0.7977.65 which addresses this issue. Users and administrators should update affected Chrome installations on Android to version 152.0.7977.65 or later to remediate this vulnerability. The vendor advisory linked provides official confirmation of the fix. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:11:53.085Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9e0acd9273b49ac723d
Added to database: 08/25/2026, 20:24:00 UTC
Last enriched: 09/10/2026, 13:24:11 UTC
Last updated: 10/09/2026, 06:48:19 UTC
Views: 28
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