CVE-2021-38645VulnerabilityPublished 11/03/2021Updated 10/24/2026

CVE-2021-38645: Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability

Affects Microsoft Open Management Infrastructure (OMI)Source CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 11/03/2021
KEV deadline: 11/17/2021
EPSS: 2.7% chance of exploitation in 30 days – higher than 85% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2021-38645 (opens in a new tab)

Description

Microsoft Open Management Infrastructure (OMI) within Azure VM Management Extensions contains a vulnerability that allows privilege escalation. This vulnerability has been exploited in the wild. No specific affected versions or patch information is provided.

Summary

CVE-2021-38645 is a privilege escalation vulnerability in Microsoft Open Management Infrastructure (OMI) used in Azure VM Management Extensions. The vulnerability allows an attacker to escalate privileges, potentially gaining elevated access on affected systems. The exact technical details and affected versions are unspecified in the provided data. Exploitation in the wild has been confirmed.

Impact

Successful exploitation of this vulnerability can lead to privilege escalation, enabling attackers to gain higher-level access on affected systems. This can compromise system integrity and security within Azure VM environments using OMI.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, monitoring the Microsoft security advisories for updates is recommended.

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 09:19:27 UTC

References

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