CVE-2021-38649
Published 2021-09-15 · Updated 2026-08-10 · Source secure@microsoft.com
Summary
CVE-2021-38649 is a high-severity (CVSS 7.0) 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:H/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.

