CVE-2026-87646: Use after free in Google Chrome
CVE-2026-87646 is a use-after-free vulnerability in the Web Authentication component of Google Chrome versions prior to 153.0.8010.36. This flaw allows a remote attacker to execute arbitrary code outside the browser sandbox by tricking a user into visiting a crafted HTML page. The vulnerability is rated with high severity by Chromium security. A stable channel update addressing this issue is available from Google.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Web Authentication feature of Google Chrome before version 153.0.8010.36. Exploitation requires a remote attacker to deliver a specially crafted HTML page that triggers arbitrary code execution outside the sandbox, potentially compromising the affected system. The issue was publicly disclosed and patched by Google in a stable channel update.
Potential Impact
Successful exploitation can lead to arbitrary code execution outside the sandbox, which may allow an attacker to fully compromise the affected system. This poses a significant security risk to users running vulnerable versions of Chrome.
Mitigation Recommendations
Google has released an official stable channel update that fixes this vulnerability in Chrome version 153.0.8010.36. Users and administrators should update to this version or later to remediate the issue. No additional mitigations are indicated by the vendor advisory.
CVE-2026-87646: Use after free in Google Chrome
Description
CVE-2026-87646 is a use-after-free vulnerability in the Web Authentication component of Google Chrome versions prior to 153.0.8010.36. This flaw allows a remote attacker to execute arbitrary code outside the browser sandbox by tricking a user into visiting a crafted HTML page. The vulnerability is rated with high severity by Chromium security. A stable channel update addressing this issue is available from Google.
Affected software
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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 a remote attacker to deliver a specially crafted HTML page that triggers arbitrary code execution outside the sandbox, potentially compromising the affected system. The issue was publicly disclosed and patched by Google in a stable channel update.
Potential Impact
Successful exploitation can lead to arbitrary code execution outside the sandbox, which may allow an attacker to fully compromise the affected system. This poses a significant security risk to users running vulnerable versions of Chrome.
Mitigation Recommendations
Google has released an official stable channel update that fixes this vulnerability in Chrome version 153.0.8010.36. Users and administrators should update to this version or later to remediate the issue. No additional mitigations are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:43:58.305Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- 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: 09/09/2026, 01:22:18 UTC
Last updated: 09/09/2026, 01:22:18 UTC
Views: 3
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