Symptoms
Assume that you run an application on a computer that is running Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1. When the application calls the SpAcceptLsaModeContext function by using a CredGroup object, the Local Security Authority Subsystem Service (Lsass.exe) process crashes if the CredGroup object is incorrectly dereferenced.
Resolution
To resolve this issue, apply security update 3057154.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology that Microsoft uses to describe software updates.
