CVE-2026-87489: Memory corruption in Google Chrome
Description
CVE-2026-87489 is a memory corruption vulnerability in the V8 JavaScript engine used by Google Chrome. It affects versions prior to 153.0.8010.36 and allows a remote attacker to potentially execute arbitrary code within the sandbox via a crafted Chrome extension. The vulnerability has a high severity rating with a CVSS score of 8.8. Google has published a stable channel update addressing this issue.
CVSS v3.1
Score 8.8high
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves memory corruption in the V8 engine of Google Chrome versions before 153.0.8010.36. Exploitation requires a crafted Chrome extension and could lead to arbitrary code execution inside the sandbox environment. The CVSS 3.1 vector indicates the attack can be performed remotely with low attack complexity and no privileges required, but user interaction is necessary. The impact includes high confidentiality, integrity, and availability consequences. Google has released an official fix in the stable channel update.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the Chrome sandbox, potentially compromising the confidentiality, integrity, and availability of the affected system. However, exploitation requires user interaction via a malicious Chrome extension. The vulnerability is rated high severity with a CVSS score of 8.8.
Mitigation Recommendations
An official fix is available from Google in Chrome version 153.0.8010.36 and later. Users and administrators should update to this version or newer to remediate the vulnerability. Refer to the Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html for details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:38:28.971Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b175acd9273b49811a41
Added to database: 09/09/2026, 01:08:05 UTC
Last enriched: 09/17/2026, 01:40:40 UTC
Last updated: 10/21/2026, 13:20:24 UTC
Views: 40
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