ACTIVELY EXPLOITED

CVE-2017-0213: Microsoft Windows Privilege Escalation Vulnerability

Facts
VendorMicrosoft
ProductWindows
Actively exploitedYes
Added to CISA KEV28 Mar 2022
CISA federal deadline18 Apr 2022
Ransomware useKnown

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

Microsoft Windows COM Aggregate Marshaler allows for privilege escalation when an attacker runs a specially crafted application.

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.