High (7.3) in Microsoft Windows. In CISA KEV since 2022-03-28, with known ransomware use. EPSS 84% chance of exploitation in the next 30 days.
Windows COM Aggregate Marshaler in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an elevation privilege vulnerability when an attacker runs a specially crafted application, aka "Windows COM Elevation of Privilege Vulnerability". This CVE ID is unique from CVE-2017-0214.
Severity
CVSS 3.1
7.3 high
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS
84% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CISA KEV
listed 2022-03-28, due 2022-04-18, known ransomware use