CVE-2026-87438: Out of bounds write in Google Chrome
Description
CVE-2026-87438 is a critical out-of-bounds write vulnerability in the WebGL component of Google Chrome on Android. It affects versions prior to 153.0.8010.36 and allows a remote attacker to execute arbitrary code outside the browser sandbox via a crafted HTML page. The vulnerability has a high CVSS score of 9.6, indicating severe impact on confidentiality, integrity, and availability.
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 an out-of-bounds write in the WebGL implementation of Google Chrome on Android devices. Exploitation requires a user to visit a specially crafted HTML page, which can trigger arbitrary code execution outside the sandbox. The issue affects Chrome versions before 153.0.8010.36. 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. Google has published a stable channel update addressing this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code outside the sandbox on affected Android devices running vulnerable Chrome versions. This can lead to full compromise of the browser process and potentially the underlying device, impacting confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.36 and later. Users and administrators should update Chrome on Android to this version or newer to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory for details: 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
- 2026-09-08T22:22:40.052Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b16aacd9273b49810ef5
Added to database: 09/09/2026, 01:07:54 UTC
Last enriched: 09/17/2026, 01:39:33 UTC
Last updated: 10/23/2026, 15:10:15 UTC
Views: 65
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