CVE-2007-2999: Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates different...

Security readout for executives and security teams

Windows Server 2003 can reveal whether an Active Directory username exists when account time restrictions are enabled. Different login failure messages can help an attacker build a valid user list. This is an information disclosure issue, not a direct system compromise. Exposure is most likely where Windows Server 2003 Active Directory environments still exist and account logon time restrictions are configured. Internet-facing or broadly reachable authentication services increase practical risk. Treat as a legacy exposure and reconnaissance risk. Prioritize if Windows Server 2003 or exposed Active Directory authentication remains in use; otherwise track as historical with low direct urgency. Mitigation focus: Check Microsoft or vendor guidance for any historical fix or workaround.; Retire or isolate Windows Server 2003 domain infrastructure where still present.; Restrict authentication services to trusted networks where operationally possible..

Prepared

Jun 29, 2026, 05:15 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.