CVE-2026-33821

HIGH

Published May 12, 2026 Modified May 15, 2026 CWE-269

Description

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

Is your site exposed to CVE-2026-33821?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.7

HIGH

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

EPSS — Exploit Prediction

0.0006

Probability of exploitation

0.18%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-269 CWE-269

Affected Products

Vendor	Product	Versions
microsoft	dynamics_365_customer_insights	All

References

Advisories & Patches

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33821

Frequently Asked Questions

What is CVE-2026-33821? +

Improper privilege management in Microsoft Dynamics 365 Customer Insights allows an authorized attacker to elevate privileges over a network. It has a CVSS v3.1 base score of 7.7 (HIGH).

How severe is CVE-2026-33821? +

CVE-2026-33821 has a CVSS v3.1 score of 7.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0006, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-33821? +

CVE-2026-33821 affects products from microsoft, specifically: dynamics_365_customer_insights. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-33821? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-9490

A security vulnerability has been identified in Acer Care Center where the ACCSvc service creates a Named Pipe with a …

CVE-2026-9489

NitroSense 3.x before 3.01.3052 contains Local Privilege Escalation (LPE) vulnerability.The program exposes a Windows Named Pipe that uses a custom …

CVE-2026-8069

PredatorSense version 3.00.3136 to 3.00.3196 contain Local Privilege Escalation (LPE) vulnerability.The program exposes a Windows Named Pipe that uses a …

CVE-2025-1424

A privilege escalation vulnerability in PocketBook InkPad Color 3 allows attackers to escalate to root privileges if they gain physical …

CVE-2025-1425

A Sudo privilege misconfiguration vulnerability in PocketBook InkPad Color 3 on Linux, ARM allows attackers to read file contents on …

CVE-2025-0416

Local privilege escalation through insecure DCOM configuration in Valmet DNA versions prior to C2023. The DCOM object Valmet DNA Engineering …