CVE-2026-69355

External control of file name or path in Microsoft Exchange Server allows an authorized attacker to execute code over a network.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69355	Patch Vendor Advisory

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

30 Sep 2026, 12:30

Type	Values Removed	Values Added
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::::::::
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69355 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69355 - Patch, Vendor Advisory
First Time		Microsoft exchange Server Subscription Edition Microsoft exchange Server Microsoft

Information

Published : 2026-09-08 18:18

Updated : 2026-09-30 12:30

NVD link : CVE-2026-69355

Mitre link : CVE-2026-69355

CVE.ORG link : CVE-2026-69355

JSON object : View

Products Affected

microsoft

exchange_server
exchange_server_subscription_edition

CWE

CWE-73

External Control of File Name or Path

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