CVE-2026-87500: Improper validation of array index in Google Chrome
Description
CVE-2026-87500 is a critical vulnerability in Google Chrome prior to version 153.0.8010.36 involving improper validation of an array index in the ANGLE component. This flaw allows a remote attacker to potentially execute arbitrary code outside the browser sandbox by delivering a crafted HTML page. The vulnerability has a high CVSS score of 9.6, indicating severe impact on confidentiality, integrity, and availability. Google has published an advisory indicating a stable channel update that addresses this issue.
CVSS v3.1
Score 9.6critical
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from improper validation of array indices in the ANGLE graphics component of Google Chrome versions before 153.0.8010.36. Exploiting this flaw, a remote attacker can craft a malicious HTML page that triggers out-of-bounds memory access, potentially leading to arbitrary code execution outside the sandbox environment. The issue is classified as critical with a CVSS v3.1 score of 9.6, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and complete impact on confidentiality, integrity, and availability. The vendor has released a stable update to fix this vulnerability.
Potential Impact
Successful exploitation can lead to arbitrary code execution outside the sandbox, compromising the security boundaries of the browser. This can result in full system compromise, data theft, or further malware installation. The vulnerability affects confidentiality, integrity, and availability with high severity.
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 indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:38:52.167Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b177acd9273b49811a80
Added to database: 09/09/2026, 01:08:07 UTC
Last enriched: 09/17/2026, 01:40:55 UTC
Last updated: 10/21/2026, 13:20:24 UTC
Views: 23
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