CVE-2026-87431: Missing authorization in Google Chrome
Description
A missing authorization vulnerability in Google Chrome extensions prior to version 153.0.8010.36 allows a remote attacker to obtain sensitive information by using a crafted Chrome extension. The vulnerability has been assigned CVE-2026-87431 and is rated with a high severity CVSS score of 7.5. This issue affects Chrome versions before 153.0.8010.36. Google has released an update to address this vulnerability.
CVSS v3.1
Score 7.5high
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87431 is a vulnerability in Google Chrome where missing authorization checks in extensions prior to version 153.0.8010.36 permit a remote attacker to obtain sensitive information via a specially crafted Chrome extension. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity, with an attack vector of network, low attack complexity, no privileges required, no user interaction, and impact on confidentiality only. The vendor has published an advisory indicating a stable channel update that fixes this issue.
Potential Impact
An attacker can remotely exploit this vulnerability without any privileges or user interaction to access sensitive information from the affected Chrome browser. The integrity and availability of the system are not impacted, but confidentiality is compromised.
Mitigation Recommendations
Google has released an official fix in Chrome version 153.0.8010.36. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:22:25.074Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b16aacd9273b49810ee7
Added to database: 09/09/2026, 01:07:54 UTC
Last enriched: 09/17/2026, 01:24:31 UTC
Last updated: 10/22/2026, 13:15:24 UTC
Views: 27
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