{"id":"CVE-2026-66301","title":"Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability","summary":"Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information over a network.","severity":"medium","cvss":6.5,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-200"],"vendor":"Microsoft","product":"Microsoft Dynamics 365 (on-premises) version 9.1","affected":["dynamics_365_on-premises_version_9.1 >= 9.0 < 9.1.0047.0006"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-08-11T21:01:23.753037Z"},"published":"2026-08-11","updated":"2026-09-16","sourceUpdated":"2026-09-16T16:24:47.251Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-66301","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66301","label":"Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability"}],"tags":["cve.org"],"epss":0.00684,"epssPercentile":0.51127,"ingestedAt":"2026-09-08T18:07:34.895Z","slug":"CVE-2026-66301","body":"## Overview\n\nExposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information over a network.\n\n## Affected\n\n- `dynamics_365_on-premises_version_9.1 >= 9.0 < 9.1.0047.0006`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}