CVE-1999-0549

CVE-1999-0549 is a legacy vulnerability affecting Microsoft Windows NT systems where the configuration allows an administrator account to automatically log in upon a system reboot. With a CVSS score of 7.2, this high-severity issue requires local access but presents low attack complexity, potentially resulting in a total loss of confidentiality, integrity, and availability by granting unauthorized physical users immediate administrative privileges. Current intelligence indicates no active exploitation in the wild, no public exploit code in major repositories, and the vulnerability is not listed on the CISA Known Exploited Vulnerabilities catalog.