local privilege escalation
Valve updates Steam over escalation of privilege security flaw - but accused of ignoring other vulnerabilities
Gaping holes still exist in popular Steam app used by more than 90 million PC users every day, warn security researchers
Three more Windows 10 zero-days dropped by SandboxEscaper, aka Polar Bear
More exploit code released by security researcher, including three zero-days and one only patched by Microsoft earlier this month