JavaScript engine – CyberSecurityBoard

Cyber Products

V8 Sandbox: Mitigation for Transient Execution Attacks

The V8 Sandbox is a security mechanism in the V8 JavaScript engine that limits transient access to 64-bit pointers, helping to mitigate…

JavaScript engine mitigation Spectre V8 Sandbox

August 19, 2026

Critical CVEs

CVE-2026-15903: V8 JavaScript Engine Out-of-Bounds Vulnerability

CVE-2026-15903 is a high-severity vulnerability (CVSS 8.8) in the V8 JavaScript engine, discovered by OpenAI's GPT-5.6-Cyber model. It involves an out-of-bounds read…

CVE-2026-15903 Google JavaScript engine out-of-bounds

August 11, 2026

Cyber Products

Google Chrome V8 JavaScript Engine

The open-source JavaScript engine used in Google Chrome. Vulnerable to CVE-2026-11645.

Chrome Google Google Chrome V8 JavaScript engine

June 25, 2026