Description
Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a network.
Published: 2026-10-13
Score: 7.5 High
EPSS: 1.1% Low
KEV: No
Impact: Information Disclosure
Action: Apply Patch
AI Analysis

Impact

The flaw is an out‑of‑bounds read in Azure Attestation and Device Health Attestation services that allows an attacker with network access to read internal data. The vulnerability is classified as an information disclosure weakness (CWE‑125), permitting exposure of confidential memory contents.

Affected Systems

Affected systems are Microsoft Windows Server 2019 and Server Core, Windows Server 2022, Windows Server 2025 and Server Core. No specific patch version is provided, so all listed product lines must be reviewed for the flaw.

Risk and Exploitability

The CVSS score of 7.5 indicates a high severity for potential exploitation. No EPSS data is available and the vulnerability is not yet in the CISA KEV list, but it can be leveraged by an attacker who can reach the Azure Attestation endpoints over a network. The attacker requires network connectivity to the affected services; no local privilege escalation or remote code execution is reported.

Generated by OpenCVE AI on October 13, 2026 at 23:44 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the latest Microsoft security update that addresses the Azure Attestation service vulnerability
  • Restrict network access to the Azure Attestation and Device Health Attestation services by firewalling or disabling the service if it is not needed
  • Monitor system logs for unusual read activity or access to the attestation services

Generated by OpenCVE AI on October 13, 2026 at 23:44 UTC.

Tracking

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Advisories

No advisories yet.

History

Wed, 14 Oct 2026 09:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 14 Oct 2026 07:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows Server 2019 (server Core Installation)
Microsoft windows Server 2025 (server Core Installation)
Vendors & Products Microsoft windows Server 2019 (server Core Installation)
Microsoft windows Server 2025 (server Core Installation)

Tue, 13 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Description Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a network.
Title Microsoft Azure Attestation service and Device Health Attestation Service Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
Weaknesses CWE-125
CPEs 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 Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Windows Server 2019 Windows Server 2019 (server Core Installation) Windows Server 2022 Windows Server 2025 Windows Server 2025 (server Core Installation)
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-31T18:08:15.364Z

Reserved: 2026-08-03T21:03:33.031Z

Link: CVE-2026-69454

cve-icon Vulnrichment

Updated: 2026-10-13T22:12:19.610Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T19:18:55.213

Modified: 2026-10-13T23:17:35.090

Link: CVE-2026-69454

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-14T06:45:17Z

Weaknesses