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High7.8Microsoft Server

High [CVE-2022-41123] Microsoft Exchange Server Elevation of Privilege Vulnerability

This high-severity Microsoft Server advisory covers CVE-2022-41123 affecting Microsoft Exchange Server 2016 Cumulative Update 22, Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 11.

CVE-2022-41123 Published Nov 9, 2022Updated by vendor Aug 10, 2026
Affected products & platforms
Microsoft ServerExchange Server
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Summary

Microsoft Exchange Server Elevation of Privilege Vulnerability

Affected products named by the advisory: Microsoft Exchange Server 2016 Cumulative Update 22; Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 11; Microsoft Exchange Server 2019 Cumulative Update 12.

Affected versions
  • Microsoft Exchange Server 2016 Cumulative Update 22 15.0.0 before 15.01.2375.037
  • Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0 before 15.01.2507.016
  • Microsoft Exchange Server 2019 Cumulative Update 11 15.02.0 before 15.02.0986.036
  • Microsoft Exchange Server 2019 Cumulative Update 12 15.02.0 before 15.02.1118.020

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Fixed versions
  • 15.01.2375.037
  • 15.01.2507.016
  • 15.02.0986.036
  • 15.02.1118.020

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Mitigation

Upgrade to a fixed release: 15.01.2375.037, 15.01.2507.016, 15.02.0986.036, 15.02.1118.020. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

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