CVE-2026-66301CWE-200information-disclosure

CVE-2026-66301

Medium · published August 11, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
62.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00995 · 62.3th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-08-11T21:19Z
Affected products (1)
ProductVersionsFixed in
microsoft/dynamics_365≥ 9.1, < 9.1.47.069.1.47.06
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66301 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:05Z
    Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability
    cvelistv5