New Issue Found in Windows 10 Version 1809 Cumulative Update KB4487044

While Microsoft published new cumulative updates for Windows 10 version 1803 (April 2018 Update) and older on February 19, the most recent patch for version 1809 (October 2018 Update) continues to be the Patch Tuesday release.

Cumulative update KB4487044 brought several security and non-security improvements, including patches for the vulnerabilities resolved on Update Tuesday.

But as Microsoft discovered, the same update comes with a series of issues as well, including one that was acknowledged by the company only a few hours ago.

The software giant says it’s aware of another bug that breaks down Internet Explorer authentication.

“This occurs when two or more people use the same user account for multiple, concurrent login sessions on the same Windows Server machine, including Remote Desktop Protocol (RDP) and Terminal Server logons,” the company explains.

Workaround available

Microsoft further adds that customers reported several symptoms, lik...