CVE-2026-66301 — MEDIUM (6.5)

Q: What is CVE-2026-66301?

CVE-2026-66301 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information over a network.

Q: How severe is CVE-2026-66301?

CVE-2026-66301 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-66301?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Dynamics 365.

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Dynamics 365	>= 9.1, < 9.1.47.06

Related Weaknesses (CWE)

CWE-200

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66301Vendor AdvisoryPatch

FAQ

What is CVE-2026-66301?

CVE-2026-66301 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information over a network.

How severe is CVE-2026-66301?

CVE-2026-66301 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-66301?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Dynamics 365.