CVE-2024-30067: 
vulnerability analysis and mitigation

Winlogon Elevation of Privilege Vulnerability (CVE-2024-30067) was disclosed on June 11, 2024, affecting multiple versions of Microsoft Windows operating systems. The vulnerability was identified and reported by Microsoft Corporation (Microsoft Advisory).

The vulnerability is classified as an Integer Overflow or Wraparound (CWE-190) issue. Microsoft has assigned it a CVSS v3.1 base score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N, indicating local access is required, low attack complexity, low privileges required, no user interaction needed, and potential for high impact on integrity (NVD).

The vulnerability could allow an attacker to gain elevated privileges on affected systems. The impact is primarily focused on system integrity, with no direct effect on confidentiality or availability as indicated by the CVSS metrics (Microsoft Advisory).

The vulnerability requires local access and low privileges for exploitation. No evidence of active exploitation in the wild has been reported at the time of disclosure (NVD).

Microsoft has released security updates to address this vulnerability across multiple affected versions including Windows 10, Windows 11, and various Windows Server versions. The fixes are available through the Windows Update mechanism and can be installed via security patches KB5039211, KB5039212, KB5039213, KB5039214, KB5039217, KB5039225, KB5039227, KB5039236, KB5039260, and KB5039294 (Rapid7).