Eugen (666) writes "One of the updates from this month's giant Patch Tuesday is wreaking havoc on some users Windows PCs by giving them the Blue Screen of Death (BSOD), according to a thread on Microsoft Answers, the company's support forum. Based on what users have found, the update in question is KB977165, which is described by Microsoft as "MS10-015: Vulnerabilities in Windows kernel could allow elevation of privilege."
Microsoft Security Bulletin MS10-015 goes into further detail about the flaw being patched: "The vulnerabilities could allow elevation of privilege if an attacker logged on to the system and then ran a specially crafted application. To exploit either vulnerability, an attacker must have valid logon credentials and be able to log on locally. The vulnerabilities could not be exploited remotely or by anonymous users." The security update is rated Important on the versions of Windows it patches: Windows 2000, Windows XP (32-bit and 64-bit), Windows Server 2003 (32-bit and 64-bit), Windows Vista (32-bit and 64-bit), Windows Server 2008 (32-bit and 64-bit), and Windows 7 (32-bit)."