CVE-2026-87638: Out of bounds write in Google Chrome
Out of bounds write in Media 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: Medium)
AI Analysis
Technical Summary
CVE-2026-87638 is an out-of-bounds write vulnerability (CWE-787) in the Media component of Google Chrome before version 153.0.8010.36. Exploitation requires a remote attacker to deliver a specially crafted HTML page that triggers the flaw, potentially enabling arbitrary code execution outside the sandbox environment. The vulnerability is recognized by Chromium with a medium severity rating. No known exploits in the wild or patch details are currently available.
Potential Impact
Successful exploitation could allow remote code execution outside the sandbox, potentially compromising the security boundaries of the browser. This could lead to unauthorized code execution on the affected system. However, the severity is rated medium, indicating that the impact is significant but not critical.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when visiting untrusted websites and consider using additional security controls such as sandboxing or browser hardening features.
CVE-2026-87638: Out of bounds write in Google Chrome
Description
Out of bounds write in Media 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: Medium)
CVSS v3.1
Score 9.6critical
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87638 is an out-of-bounds write vulnerability (CWE-787) in the Media component of Google Chrome before version 153.0.8010.36. Exploitation requires a remote attacker to deliver a specially crafted HTML page that triggers the flaw, potentially enabling arbitrary code execution outside the sandbox environment. The vulnerability is recognized by Chromium with a medium severity rating. No known exploits in the wild or patch details are currently available.
Potential Impact
Successful exploitation could allow remote code execution outside the sandbox, potentially compromising the security boundaries of the browser. This could lead to unauthorized code execution on the affected system. However, the severity is rated medium, indicating that the impact is significant but not critical.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when visiting untrusted websites and consider using additional security controls such as sandboxing or browser hardening features.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3v4x-7jrr-p5vf
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-87638"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6aa15f90acd9273b49618a49
Added to database: 09/09/2026, 13:30:56 UTC
Last enriched: 09/09/2026, 14:04:49 UTC
Last updated: 09/09/2026, 22:52:15 UTC
Views: 2
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