CVE-2007-1535: Microsoft Windows Vista establishes a Teredo address without user action upon connection to the Internet, c...

Security readout for executives and security teams

Windows Vista may create a Teredo network address automatically when it connects to the Internet, despite documentation saying user action was required. That could expose a system over an IPv6 transition path administrators may not expect. Likely limited to Microsoft Windows Vista systems connected to the Internet where Teredo behavior is present. Exposure is uncertain because the source bundle lists affected products as n/a and lacks exact version boundaries. Treat this as a legacy exposure and asset-management issue, not an emergency based on the supplied evidence. Prioritize if Vista systems remain Internet-connected or unmanaged. Mitigation focus: Identify any remaining Windows Vista assets and their Internet connectivity.; Check Microsoft or vendor guidance for Teredo configuration and supported remediation.; Review whether Teredo or IPv6 transition mechanisms are business-required..

Prepared

Jun 29, 2026, 06:37 UTC (UTC+00:00)

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