CVE-2026-87446: Incomplete cleanup in Google Chrome
Description
A vulnerability in Google Chrome prior to version 153.0.8010.36 allows incomplete cleanup of extensions, which can be exploited by a remote attacker using social engineering to bypass system access restrictions. The issue has a medium severity rating and does not impact confidentiality but can impact integrity.
CVSS v3.1
Score 6.5medium
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87446 describes an incomplete cleanup vulnerability in the Extensions component of Google Chrome versions before 153.0.8010.36. This flaw enables a remote attacker to bypass system access restrictions by tricking a user into installing a crafted Chrome extension. The vulnerability is rated medium severity with a CVSS score of 6.5, indicating it requires user interaction but has a low attack complexity and no privileges required.
Potential Impact
The vulnerability allows an attacker to bypass system access restrictions, potentially leading to integrity violations on the affected system. Confidentiality and availability are not impacted according to the CVSS vector. Exploitation requires user interaction via social engineering to install a malicious extension.
Mitigation Recommendations
An official fix is available in Google Chrome version 153.0.8010.36. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the vendor advisory at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html for update details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:23:00.684Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b16cacd9273b49810f29
Added to database: 09/09/2026, 01:07:56 UTC
Last enriched: 09/17/2026, 01:29:18 UTC
Last updated: 10/22/2026, 13:15:24 UTC
Views: 32
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