When you try to change a password, you receive the following error in the Windows Event logs:
“The specified network password is not correct”. The user receives an error as well, but their password still gets changed.
Microsoft introduced this problem in Windows Update:
MS16-014 https://support.microsoft.com/en-us/kb/3134228 . This can be associated with the following KB updates depending on your operating system:
There were various workarounds that we had until Microsoft fixed their own problem in:
If you have a different operating system, the articles describe the equivalent updates.