CVE-2026-84353: Use after free in Google Chrome
Description
Use after free in Shared Tab Groups in Google Chrome on on Android prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
CVSS v3.1
Score 9.6critical
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84353 is a use-after-free vulnerability in the Shared Tab Groups component of Google Chrome on Android. It affects versions before 152.0.7977.75. An attacker can leverage social engineering to induce a user to open a maliciously crafted HTML page, which triggers the use-after-free condition, enabling arbitrary code execution outside the browser sandbox. This vulnerability has a CVSS 3.1 base score of 9.6, indicating critical severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts confidentiality, integrity, and availability with scope change.
Potential Impact
Successful exploitation allows remote code execution outside the sandbox on affected Android devices running vulnerable Chrome versions. This can lead to full compromise of the browser process and potentially the device, impacting confidentiality, integrity, and availability.
Mitigation Recommendations
The vulnerability is fixed in Google Chrome version 152.0.7977.75. Users should update to this version or later to remediate the issue. No additional mitigations are stated in the vendor advisory. Check the official Google Chrome release blog for confirmation and update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-01T16:21:21.861Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 6a97654dacd9273b495af389
Added to database: 09/01/2026, 23:52:45 UTC
Last enriched: 09/07/2026, 13:24:35 UTC
Last updated: 10/17/2026, 18:48:23 UTC
Views: 202
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