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CVE-2021-38648

HIGH7.8
CISA KEV

Published 2021-09-15 · Updated 2026-08-10 · Source secure@microsoft.com

Summary

CVE-2021-38648 is a high-severity (CVSS 7.8) vulnerability in Microsoft Open Management Infrastructure (OMI). CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by November 17, 2021. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.

All 390 known-exploited Microsoft vulnerabilities →

Description

Open Management Infrastructure Elevation of Privilege Vulnerability

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

CISA Known-Exploited Vulnerability

Product: Microsoft — Open Management Infrastructure (OMI)

Name: Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability

Date added: 2021-11-03 · Due: 2021-11-17

Required action: Apply updates per vendor instructions.

View on NVD