Mark of the Web bypass

Mark of the Web bypass

WinRAR Exploit Lets Malware Bypass Windows Security Without Warning

A flaw in WinRAR versions prior to 7.11 allows attackers to bypass Windows' Mark of the Web (MotW) security checks using symlinks, enabling silent execution of malicious code. This vector, CVE-2025-31334, reflects a broader pattern of systemic failure in Microsoft’s layered security model.