CVE-2026-69361: Microsoft Exchange Server Spoofing Vulnerability
Published Sep 8, 2026
·Updated
Microsoft Exchange Server Spoofing Vulnerability
Other sources
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
— Microsoft
Affected Software
8 affected componentsFixes available
Microsoft Exchange Server 2019=15
15.02.1748.051
Microsoft Exchange Server 2019=14
15.02.1544.046
Microsoft Exchange Server Subscription Edition RTM<15.02.2562.049
15.02.2562.049
Microsoft Exchange Server 2016=23
15.01.2507.073
Microsoft Exchange Server=2016-cumulative_update_23
Microsoft Exchange Server=2019-cumulative_update_14
Microsoft Exchange Server=2019-cumulative_update_15
Microsoft Exchange Server Subscription Edition<15.02.2562.049
Remediation
Event History
Sep 8, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·05:12 PM
Data Sourced
via MITRE·05:12 PM
DescriptionSeverity
Data Sourced
via NVD·06:18 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Which Exchange Server deployments are affected?
The affected products listed are Microsoft Exchange Server 2016, Microsoft Exchange Server 2019, and Microsoft Exchange Server Subscription Edition RTM.
2
What access does an attacker need to exploit this issue?
The attacker must already be authorized and can exploit the vulnerability remotely over a network. No user interaction is required.
3
What is the potential impact?
Successful exploitation allows spoofing through a server-side request forgery condition. The supplied severity vector indicates high confidentiality impact, with no integrity or availability impact indicated.