On June 8, 2021, Microsoft released a security update that changed how the Windows
operating system enforces DCOM security. This Windows update was made in response
to a recently discovered vulnerability, detailed in CVE 2021 26414. As a result of this
change, OPC communications relying on DCOM may stop working when the Windows
changes start to be enforced in 2022.
[Update 5 KSM2022 001 - Experion OPC Classic Clients Microsoft Windows DCOM Security Update 2022 Changes.pdf]
duduyoyo
commented
3 months ago
Are you aware of this future Windows Update?
On June 8, 2021, Microsoft released a security update that changed how the Windows operating system enforces DCOM security. This Windows update was made in response to a recently discovered vulnerability, detailed in CVE 2021 26414. As a result of this change, OPC communications relying on DCOM may stop working when the Windows changes start to be enforced in 2022.
[Update 5 KSM2022 001 - Experion OPC Classic Clients Microsoft Windows DCOM Security Update 2022 Changes.pdf]
(https://github.com/ya-mouse/openopc/files/8451545/Update.5.KSM2022.001.-.Experion.OPC.Classic.Clients.Microsoft.Windows.DCOM.Security.Update.2022.Changes.pdf)