High8.0Microsoft Server

High [CVE-2022-41079] Microsoft Exchange Server Spoofing Vulnerability

This high-severity Microsoft Server advisory covers CVE-2022-41079 affecting Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Exchange Server 2016 Cumulative Update 22, Microsoft Exchange Server 2016 Cumulative Update 23.

CVE-2022-41079 Published Nov 9, 2022Updated by vendor Aug 10, 2026

CVE-2022-41079

Affected products & platforms

Microsoft ServerExchange Server

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Summary

Microsoft Exchange Server Spoofing Vulnerability

Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2016 Cumulative Update 22; Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 11; and 1 more.

Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 12.

Affected versions

Microsoft Exchange Server 2013 Cumulative Update 23 15.00.0 before 15.00.1497.044
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

15.00.1497.044
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: 15.00.1497.044, 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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