CVE-2024-38213: 
vulnerability analysis and mitigation

Windows Mark of the Web Security Feature Bypass Vulnerability (CVE-2024-38213) is a security flaw affecting multiple versions of Microsoft Windows. The vulnerability was discovered and disclosed to Microsoft, with the initial record creation date of June 11, 2024, and public disclosure on August 13, 2024. The vulnerability affects various Windows versions including Windows 10, Windows 11, and Windows Server installations (MITRE CVE).

The vulnerability has been assigned a CVSS v3.1 base score of 6.5 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N. This indicates that the vulnerability is network-accessible, requires low attack complexity, needs no privileges, but does require user interaction. The scope is unchanged, with no impact on confidentiality, high impact on integrity, and no impact on availability (NVD).

The vulnerability could allow an attacker to bypass the Windows Mark of the Web security feature, which is designed to identify files that originate from the internet and apply additional security restrictions. A successful exploitation could lead to security feature bypass, potentially allowing malicious files to evade security controls (RAPID7).

Microsoft has released security updates to address this vulnerability. Organizations are advised to apply the available patches, including KB5039211, KB5039212, KB5039213, KB5039214, KB5039217, KB5039225, KB5039227, KB5039236, KB5039260, and KB5039294, depending on the affected Windows version. CISA requires Federal Civilian Executive Branch agencies to apply vendor-provided mitigations or discontinue product use if mitigations are unavailable (RAPID7).