CVE-2026-87450: Incorrect authorization in Google Chrome
Description
An incorrect authorization vulnerability in Google Chrome prior to version 153.0.8010.36 allows a remote attacker to obtain sensitive information by exploiting permissions via a crafted Chrome extension. The vulnerability has a high severity rating with a CVSS score of 7.5. It requires no privileges or user interaction to exploit and impacts confidentiality without affecting integrity or availability.
CVSS v3.1
Score 7.5high
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87450 is an authorization flaw in the permissions system of Google Chrome versions before 153.0.8010.36. This vulnerability enables a remote attacker, using social engineering, to craft a malicious Chrome extension that can bypass permission checks and access sensitive user information. The vulnerability is rated with a CVSS 3.1 score of 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The flaw affects confidentiality but does not impact integrity or availability.
Potential Impact
Successful exploitation allows an attacker to access sensitive information from the victim's browser without requiring privileges or user interaction. This compromises user confidentiality but does not affect system integrity or availability.
Mitigation Recommendations
A 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 official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html for details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:23:08.564Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b16eacd9273b49810f54
Added to database: 09/09/2026, 01:07:58 UTC
Last enriched: 09/17/2026, 01:31:45 UTC
Last updated: 10/22/2026, 01:15:26 UTC
Views: 28
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