Revision Note: Advisory published Advisory Summary:Microsoft is aware that research was published at a security conference proving a successful attack against X.509 digital certificates signed using the MD5 hashing algorithm. This attack method would allow an attacker to generate additional digital certificates with different content that have the same digital signature as an original... »

Revision Note: December 17, 2008: Advisory updated to reflect publication of security bulletin. Advisory Summary:Microsoft has completed the investigation into a public report of this vulnerability. We have issued MS08-078 to address this issue. »