CVE-2026-87646: Use after free in Google Chrome
Description
Use after free in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 9.6critical
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Web Authentication feature of Google Chrome before version 153.0.8010.36. Exploitation requires user interaction (UI:R) and can lead to remote code execution with full impact on confidentiality, integrity, and availability. The flaw allows an attacker to escape the sandbox and execute arbitrary code remotely via a specially crafted HTML page.
Potential Impact
Successful exploitation can result in remote code execution outside the sandbox, compromising the affected system's confidentiality, integrity, and availability. This poses a critical risk to users who visit maliciously crafted web pages while using vulnerable Chrome versions.
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 indicated beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:43:58.305Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b196acd9273b49812b59
Added to database: 09/09/2026, 01:08:38 UTC
Last enriched: 09/16/2026, 02:04:09 UTC
Last updated: 10/23/2026, 15:10:15 UTC
Views: 83
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