CVE-2026-69641

Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.3 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69641	Vendor Advisory Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23::::::
	cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_14::::::
	cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_15::::::
	cpe:2.3:a:microsoft:exchange_server_subscription_edition::::::::

History

22 Sep 2026, 12:23

Type	Values Removed	Values Added
First Time		Microsoft exchange Server Microsoft exchange Server Subscription Edition Microsoft
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69641 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69641 - Vendor Advisory, Patch
CPE		cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_15:::::: cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_14:::::: cpe:2.3:a:microsoft:exchange_server_subscription_edition::::::::

Information

Published : 2026-09-08 18:19

Updated : 2026-09-22 12:23

NVD link : CVE-2026-69641

Mitre link : CVE-2026-69641

CVE.ORG link : CVE-2026-69641

JSON object : View

Products Affected

microsoft

exchange_server
exchange_server_subscription_edition

CWE

CWE-862

Missing Authorization

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