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Exchange must have the most current, approved Cumulative Update (CU) installed.


Finding ID Version Rule ID IA Controls Severity
V-259644 EX19-ED-000244 SV-259644r942246_rule Medium
The organization (including any contractor to the organization) must promptly install security-relevant software updates (e.g., patches, service packs, CUs, hot fixes). Flaws discovered during security assessments, continuous monitoring, incident response activities, or information system error handling must also be addressed.
Microsoft Exchange 2019 Edge Server Security Technical Implementation Guide 2024-01-10


Check Text ( C-63383r942244_chk )
Open the Exchange Management Shell and enter the following command:

Get-ExchangeServer | Format-List Name, AdminDisplayVersion

If the value of "AdminDisplayVersion" does not return the most current, approved CU, this is a finding.
Fix Text (F-63291r942245_fix)
Install the most current, approved CU.