CVE-2026-87509: Incorrect authorization in Google Chrome
Description
A vulnerability in Google Chrome's Updater on Windows prior to version 153.0.8010.36 allows a local attacker to execute arbitrary code outside the sandbox due to incorrect authorization. This issue has been assigned CVE-2026-87509 and is rated with a high severity score of 8.1. The vulnerability requires local access and high attack complexity, but no privileges or user interaction. A fix is available in Chrome version 153.0.8010.36.
CVSS v3.1
Score 8.1high
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87509 is an incorrect authorization vulnerability in the Updater component of Google Chrome on Windows platforms before version 153.0.8010.36. This flaw permits a local attacker to execute arbitrary code outside the sandbox environment by exploiting the authorization weakness in the updater mechanism. The vulnerability has a CVSS v3.1 base score of 8.1, indicating high impact on confidentiality, integrity, and availability. The issue was addressed by Google in Chrome version 153.0.8010.36.
Potential Impact
Successful exploitation allows a local attacker to execute arbitrary code outside the sandbox, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability. The attack requires local access and has high complexity, but no privileges or user interaction are needed.
Mitigation Recommendations
Users should update Google Chrome on Windows to version 153.0.8010.36 or later to remediate this vulnerability. The vendor advisory confirms that this is the fixed version. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:39:07.740Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b179acd9273b49811aa5
Added to database: 09/09/2026, 01:08:09 UTC
Last enriched: 09/17/2026, 01:41:06 UTC
Last updated: 10/23/2026, 15:10:15 UTC
Views: 26
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