CVE-2026-87447: Incorrect authorization in Google Chrome
Description
CVE-2026-87447 is a vulnerability in Google Chrome prior to version 153.0.8010.36 involving incorrect authorization in the Network component. This flaw allows a remote attacker, using social engineering and a crafted Chrome extension, to bypass the web origin policy. The vulnerability has a medium severity rating with a CVSS score of 6.5. It affects versions before 153.0.8010.36. A vendor advisory is available from Google, but explicit patch details are not provided in the input data.
CVSS v3.1
Score 6.5medium
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's Network component allows an attacker to bypass the web origin policy by exploiting incorrect authorization checks. The attack requires social engineering to convince a user to install a malicious Chrome extension. The flaw affects Chrome versions prior to 153.0.8010.36 and is rated with a CVSS 3.1 score of 6.5 (medium severity). The vendor has published an advisory linked to a stable channel update, indicating a fix is likely available in version 153.0.8010.36 or later.
Potential Impact
An attacker can bypass the web origin policy, potentially enabling unauthorized actions or information access within the browser context. The attack requires user interaction via social engineering to install a crafted extension. There is no indication of confidentiality impact, but integrity is impacted. Availability is not affected. No known exploits in the wild have been reported.
Mitigation Recommendations
Google has released a stable channel update addressing this vulnerability. Users should update Google Chrome to version 153.0.8010.36 or later to remediate this issue. Patch status is confirmed by the vendor advisory linked to the stable channel update. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:23:02.694Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b16cacd9273b49810f2b
Added to database: 09/09/2026, 01:07:56 UTC
Last enriched: 09/17/2026, 01:29:30 UTC
Last updated: 10/22/2026, 13:15:24 UTC
Views: 26
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