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MC1438566 — Action Required: Defer Upgrade to Microsoft Defender for Endpoint on Linux Build 101.26052.0009

MC1438566Microsoft Defender XDRpreventOrFixIssueUpdated: 29 July 2026

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 The message is now outdated and can be disregarded.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.

Applies to: Microsoft Defender XDR
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).