CVE-2017-0213

KEVRansomware UseMicrosoft Windows Privilege Escalation Vulnerability

Description

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

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.

CVSS 3.1 vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

PublishedMay 12, 2017

Last modifiedJun 17, 2026

Added to KEVMar 28, 2022

Remediation dueApr 18, 2022

References

securityfocus.com/bid/98102Broken LinkThird Party Advisory
securitytracker.com/id/1038457Broken LinkThird Party Advisory
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0213PatchVendor Advisory
exploit-db.com/exploits/42020/ExploitThird Party Advisory
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0213US Government Resource

0 recent articles mention this CVE

Risk assessment · Critical

Actively exploited and used by ransomware crews. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 1653 days
Ransomware: Used in known ransomware campaigns
CVSS: 7.3 HIGH
EPSS (30-day exploit probability): 84.3% · top 1% of all CVEs
Weakness: NVD-CWE-noinfo

Recommended actions

1.Apply updates per vendor instructions.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
4.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.