MC1438566 Low
(Updated) Action Required: Defer Upgrade to Microsoft Defender for Endpoint on Linux Build 101.26052.0009
Summary AI-generated
Rollout of Defender for Endpoint on Linux build 101.26052.0009 paused for FIPS-enabled RHEL 8/9 due to issues; update no longer applicable.
Suggested actions AI-generated
- Do not upgrade to build 101.26052.0009
- No action needed if already upgraded and not experiencing issues
Written by Azure OpenAI (gpt-4.1) from the text of the post below. It can be incomplete or wrong; the original post is authoritative.
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Original post from Microsoft
Updated July 29, 2026: This message is no longer applicable and can be disregarded.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Worldwide, GCC, GCC High, DoD): No longer applicable.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.
Additional details from Microsoft
- Summary
- The upgrade to Microsoft Defender for Endpoint on Linux build 101.26052.0009 for FIPS-enabled RHEL 8 and 9 devices has been paused due to issues. The message is now outdated and can be disregarded. No action is needed if already upgraded without problems.