CVE-2026-87639: 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 who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 8.3high
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-87639 involves a use-after-free condition in the WebPackaging feature of Google Chrome versions before 153.0.8010.36. Exploitation requires that the attacker has already compromised the renderer process, after which they can potentially execute arbitrary code outside the browser sandbox via a crafted HTML page. This could lead to full compromise of the affected system. The issue was publicly disclosed with a high severity rating and a CVSS v3.1 score of 8.3.
Potential Impact
Successful exploitation of this vulnerability could allow remote code execution outside the sandbox, leading to full compromise of the affected system. The attacker must have compromised the renderer process first, which is a prerequisite for this exploit. The impact includes confidentiality, integrity, and availability being fully compromised.
Mitigation Recommendations
A stable channel update for Google Chrome has been released that addresses this vulnerability. Users and administrators should update to version 153.0.8010.36 or later to remediate this issue. Refer to the official Google Chrome release blog for the update: https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:43:40.671Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b196acd9273b49812b4b
Added to database: 09/09/2026, 01:08:38 UTC
Last enriched: 09/16/2026, 02:03:50 UTC
Last updated: 10/23/2026, 15:10:15 UTC
Views: 125
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