CVE-2026-71331 - Vulnerability Details - OpenCVE

Integer overflow or wraparound in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to execute code over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Microsoft	Windows 10 1809 Windows Server 2019 Windows Server 2022 Windows Server 2025

No data.

No data.

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References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71331

History

Tue, 11 Aug 2026 18:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 11 Aug 2026 17:15:00 +0000

Type	Values Removed	Values Added
Description		Integer overflow or wraparound in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to execute code over a network.
Title		Windows Device Health Attestation (DHA) Remote Code Execution Vulnerability
First Time appeared		Microsoft Microsoft windows 10 1809 Microsoft windows Server 2019 Microsoft windows Server 2022 Microsoft windows Server 2025
Weaknesses		CWE-122 CWE-190
CPEs		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::::::::
Vendors & Products		Microsoft Microsoft windows 10 1809 Microsoft windows Server 2019 Microsoft windows Server 2022 Microsoft windows Server 2025
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71331
Metrics		cvssV3_1 `{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-08-11T17:07:15.805Z

Updated: 2026-08-11T19:20:24.102Z

Reserved: 2026-08-05T18:41:50.334Z

Link: CVE-2026-71331

Vulnrichment

Updated: 2026-08-11T17:47:31.406Z

NVD

Status : Awaiting Analysis

Published: 2026-08-11T17:19:13.353

Modified: 2026-08-11T18:53:42.910

Link: CVE-2026-71331

Redhat

No data.

OpenCVE Enrichment

No data.

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