Updated July 29, 2026: This message is no longer applicable and can be disregarded.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 build
101.26052.0009 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Worldwide, GCC, GCC High, DoD): No longer applicable.We will begin rolling out on mid-July 2026 and expect to complete by late July 2026.
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.