CVE-2026-103576

Url redirection to untrusted site ('open redirect') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-103576	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*
	cpe:2.3:o:microsoft:windows_10_1607:::::::x86:*
	cpe:2.3:o:microsoft:windows_10_1809:::::::x64:*
	cpe:2.3:o:microsoft:windows_10_1809:::::::x86:*
	cpe:2.3:o:microsoft:windows_server_2016:::::::x64:*
	cpe:2.3:o:microsoft:windows_server_2019:::::::x64:*
	cpe:2.3:o:microsoft:windows_server_2022:::::::x64:*
	cpe:2.3:o:microsoft:windows_server_2025:::::::x64:*

History

27 Oct 2026, 17:31

Type	Values Removed	Values Added
First Time		Microsoft windows Server 2019 Microsoft Microsoft windows 10 1809 Microsoft windows Server 2016 Microsoft windows Server 2025 Microsoft windows Server 2022 Microsoft windows 10 1607
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-103576 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-103576 - Patch, Vendor Advisory
CPE		cpe:2.3:o:microsoft:windows_server_2019:::::::x64:* cpe:2.3:o:microsoft:windows_server_2016:::::::x64:* cpe:2.3:o:microsoft:windows_10_1809:::::::x64:* cpe:2.3:o:microsoft:windows_server_2025:::::::x64:* cpe:2.3:o:microsoft:windows_10_1809:::::::x86:* cpe:2.3:o:microsoft:windows_10_1607:::::::x64:* cpe:2.3:o:microsoft:windows_server_2022:::::::x64:* cpe:2.3:o:microsoft:windows_10_1607:::::::x86:*

13 Oct 2026, 19:25

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-13 19:17

Updated : 2026-10-27 17:31

NVD link : CVE-2026-103576

Mitre link : CVE-2026-103576

CVE.ORG link : CVE-2026-103576

JSON object : View

Products Affected

microsoft

windows_10_1607
windows_server_2016
windows_server_2019
windows_server_2025
windows_10_1809
windows_server_2022

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

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