Action Required: Defer Upgrade to Microsoft Defender for Endpoint on Linux Build 101.26052.0009

Updated July 29, 2026: This message is no longer applicable and can be disregarded. We apologize for any inconvenience.  What and Why: We have identified an issue affecting Microsoft Defender for Endpoint on Linux build101.26052.0009 on a subset of FIPS-enabled Red Hat Enterprise Linux (RHEL) 8 and RHEL 9 devices. As a precaution, rollout of this build has been paused. Current Status We have paused the rollout and are actively working on a revised build. We will provide an update through the Message Center and release notes when the updated package becomes available. Rollout Schedule: Worldwide, GCC, GCC High, DoD): No longer applicable. Impact on your organization: Impact  On affected devices, installation or upgrade of the platform package may fail, preventing successful completion of the update process. Action Required/Recommendations: What you need to do Do not upgrade to build 101.26052.0009 at this time. Customers who have already upgraded and are not experiencing issues do not need to take immediate action.