Severity Rating: Important
Revision Note: V1.0 (September 13, 2016): Bulletin published.
Summary: This security update resolves a vulnerability in Microsoft Windows. On Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2 operating systems, the vulnerability could allow remote code execution if an authenticated attacker sends specially crafted packets to an affected Microsoft Server Message Block 1.0 (SMBv1) Server. The vulnerability does not impact other SMB Server versions. Although later operating systems are affected, the potential impact is denial of service.