CVE intelligence

CVE-2026-33821

Vulnerability intelligence

Published May 12, 2026Sources checked Sep 27, 2026

9.9CRITICALCVSS out of 10

What this means

Review the available evidence

CVE-2026-33821 and is rated Critical severity with a CVSS score of 9.9. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

CISA KEVNot listedBased on the latest collected catalog

EPSS0.8%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-33821?

Improper privilege management in Microsoft Dynamics 365 Customer Insights allows an authorized attacker to elevate privileges over a network.