Type confusion in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory inside the sandbox via a crafted HTML page. (CVE-2026-87564)
A type confusion vulnerability exists in the V8 JavaScript engine used by Google Chrome versions prior to 153.0.8010.36. This flaw allows a remote attacker to read memory inside the sandbox by delivering a crafted HTML page. The vulnerability is classified with high severity by the Chromium security team. No CVSS score or patch information is currently provided.
AI Analysis
Technical Summary
CVE-2026-87564 is a type confusion vulnerability in the V8 engine of Google Chrome before version 153.0.8010.36. Exploitation involves a remote attacker crafting a malicious HTML page that triggers the flaw, enabling unauthorized reading of memory within the sandboxed environment. This vulnerability is tracked under CWE-843 (Type Confusion). There is no public information on available patches or exploits in the wild at this time.
Potential Impact
Successful exploitation could allow an attacker to read memory inside the sandboxed environment of the browser, potentially exposing sensitive information. The Chromium security team rates this vulnerability as high severity. There are no known active exploits reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when visiting untrusted websites and consider using security features such as site isolation or disabling JavaScript where feasible.
Type confusion in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory inside the sandbox via a crafted HTML page. (CVE-2026-87564)
Description
A type confusion vulnerability exists in the V8 JavaScript engine used by Google Chrome versions prior to 153.0.8010.36. This flaw allows a remote attacker to read memory inside the sandbox by delivering a crafted HTML page. The vulnerability is classified with high severity by the Chromium security team. No CVSS score or patch information is currently provided.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87564 is a type confusion vulnerability in the V8 engine of Google Chrome before version 153.0.8010.36. Exploitation involves a remote attacker crafting a malicious HTML page that triggers the flaw, enabling unauthorized reading of memory within the sandboxed environment. This vulnerability is tracked under CWE-843 (Type Confusion). There is no public information on available patches or exploits in the wild at this time.
Potential Impact
Successful exploitation could allow an attacker to read memory inside the sandboxed environment of the browser, potentially exposing sensitive information. The Chromium security team rates this vulnerability as high severity. There are no known active exploits reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when visiting untrusted websites and consider using security features such as site isolation or disabling JavaScript where feasible.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-xgj9-x2g2-qrxc
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-87564"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6aa15f92acd9273b49618b21
Added to database: 09/09/2026, 13:30:58 UTC
Last enriched: 09/09/2026, 14:10:09 UTC
Last updated: 09/10/2026, 00:52:00 UTC
Views: 2
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