CVE-2026-69443

Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a network.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69443	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	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_2019::::::::
	cpe:2.3:o:microsoft:windows_server_2022::::::::
	cpe:2.3:o:microsoft:windows_server_2025::::::::

History

23 Sep 2026, 19:18

Type	Values Removed	Values Added
Summary	~~(en) Out-of-bounds read in Windows Device Health Attestation (DHA) allows an unauthorized attacker to disclose information over a network.~~	(en) Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a network.

17 Sep 2026, 15:00

Type	Values Removed	Values Added
First Time		Microsoft windows Server 2022 Microsoft Microsoft windows 10 1809 Microsoft windows Server 2019 Microsoft windows Server 2025
CPE		cpe:2.3:o:microsoft:windows_server_2019:::::::: 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_2022:::::::: cpe:2.3:o:microsoft:windows_server_2025::::::::
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69443 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69443 - Patch, Vendor Advisory

Information

Published : 2026-09-08 18:19

Updated : 2026-09-23 19:18

NVD link : CVE-2026-69443

Mitre link : CVE-2026-69443

CVE.ORG link : CVE-2026-69443

JSON object : View

Products Affected

microsoft

windows_server_2025
windows_server_2019
windows_10_1809
windows_server_2022

CWE

CWE-125

Out-of-bounds Read

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