Microsoft on Tuesday patched a vulnerability in LSASS, the second attempt it has taken at fixing a remote denial-of-service issue in the critical Windows process.

Microsoft shared info on a now-fixed known issue leading to Local Security Authority Subsystem Service (LSASS) crashes and Windows Server domain controller.

Microsoft acknowledged a new known issue leading to Local Security Authority Subsystem Service (LSASS) critical system process crashes and forced reboots on some Windows 10 devices.

Microsoft has admitted that this month's Windows 10 Patch Tuesday updates are causing more problems, this time resulting in crashes due to a failure in the Local Security Authority Subsystem ...

The issue is caused by a failure in the Local Security Authority Subsystem Service (LSASS) file Isass.exe. The bug affects PCs running Windows 10 version 1809, 1903, 1909, and 2004.

LSASS.exe or Local Security Authority Subsystem Service or Local Security Authority Process is a process on Windows operating system. It is valuable in enforcing the security policy on the computer.