CVE-2026-66301 - Vulnerability Details - OpenCVE

Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

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 partial

Vendors	Products
Microsoft	Dynamics 365

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66301

History

Tue, 11 Aug 2026 22:30:00 +0000

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

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

Type	Values Removed	Values Added
Description		Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information over a network.
Title		Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability
First Time appeared		Microsoft Microsoft dynamics 365
Weaknesses		CWE-200
CPEs		cpe:2.3:a:microsoft:dynamics_365:::::on-premises:::*
Vendors & Products		Microsoft Microsoft dynamics 365
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66301
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-08-11T17:05:19.979Z

Updated: 2026-08-11T23:59:25.511Z

Reserved: 2026-07-24T18:06:51.293Z

Link: CVE-2026-66301

Vulnrichment

Updated: 2026-08-11T21:02:58.371Z

NVD

Status : Awaiting Analysis

Published: 2026-08-11T17:19:01.277

Modified: 2026-08-11T22:18:52.660

Link: CVE-2026-66301

Redhat

No data.

OpenCVE Enrichment

No data.

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