CVE-2026-87634: Use after free in Google Chrome
Description
Use after free in WebPackaging in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)
CVSS v3.1
Score 9.6critical
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87634 is a use-after-free vulnerability in the WebPackaging feature of Google Chrome versions before 153.0.8010.36. Exploitation requires user interaction (visiting a malicious HTML page) and could lead to arbitrary code execution outside the sandbox, compromising confidentiality, integrity, and availability. The vulnerability is rated critical with a CVSS 3.1 score of 9.6, reflecting network attack vector, low attack complexity, no privileges required, user interaction needed, and complete impact on confidentiality, integrity, and availability. The vendor has published an advisory indicating a stable channel update addressing this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code outside the sandbox, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the affected system. No known exploits in the wild have been reported at this time.
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 once the update is applied.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:43:31.433Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b194acd9273b49812b35
Added to database: 09/09/2026, 01:08:36 UTC
Last enriched: 09/16/2026, 02:03:25 UTC
Last updated: 10/22/2026, 13:15:24 UTC
Views: 64
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