Windows Host Guardian Service Security Feature Bypass Vulnerability

<p>A security feature bypass vulnerability exists when Windows Host Guardian Service improperly handles hashes recorded and logged. An attacker who successfully exploited the vulnerability could tamper with the log file.</p> <p>In an attack scenario, an attacker can change existing event log types to a type the parsers do not interpret allowing an attacker to append their own hash without triggering an alert.</p> <p>The update addresses the vulnerability by correcting how Windows Host Guardian Service handles logging of the measured boot hash.</p>

Where it's fixed