CVE-2024-21412

An unpatched Windows Internet Shortcut bypass vulnerability was actively exploited in the wild to deliver ransomware.

Microsoft Windows Internet Shortcut Files contained an unspecified vulnerability allowing a security feature bypass, which was actively exploited in the wild to deliver ransomware. DIB organizations must ensure all Windows systems are patched against known CVEs, as unpatched vulnerabilities are a primary vector for ransomware and data breaches. This failure highlights the critical need for timely patch management and monitoring of KEV (Known Exploited Vulnerabilities) lists.

Shame score — The vulnerability was actively exploited in the wild to deliver ransomware, indicating a severe failure in patch management and security hygiene that directly led to a mass data breach and ransomware attack.