High 7.3Known exploited (CISA KEV)Published May 12, 2017

CVE-2017-0213Windows 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, an…

Updated under an hour ago (2026-10-19 07:50 UTC)

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It affects Microsoft Corporation Windows COM and 10 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Mar 28, 2022; federal agencies had to remediate by Apr 18, 2022, and it is known to be used in ransomware. Treat that date as your deadline.

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Every CVE for Microsoft Corporation Windows COM

Exploited in the last 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.

CVSS: 7.3 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Added to CISA KEV Mar 28, 2022; federal remediation due Apr 18, 2022; known ransomware useApply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 84.26% (percentile 100)
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft Corporation Windows COM microsoft:windows_com (from the name)	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.	CNA record
microsoft windows_10_1507 microsoft:windows_10_1507	all versions	NVD
microsoft windows_10_1511 microsoft:windows_10_1511	all versions	NVD
microsoft windows_10_1607 microsoft:windows_10_1607	all versions	NVD
microsoft windows_10_1703 microsoft:windows_10_1703	all versions	NVD
microsoft windows_7 microsoft:windows_7	all versions	NVD
microsoft windows_8.1 microsoft:windows_8.1	all versions	NVD
microsoft windows_rt_8.1 microsoft:windows_rt_8.1	all versions	NVD
microsoft windows_server_2008 microsoft:windows_server_2008	all versions; r2	NVD
microsoft windows_server_2012 microsoft:windows_server_2012	all versions; r2	NVD
microsoft windows_server_2016 microsoft:windows_server_2016	all versions	NVD

References

http://www.securityfocus.com/bid/98102vdb-entry, x-refsource-bid, broken-link, third-party-advisory
https://www.exploit-db.com/exploits/42020/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
http://www.securitytracker.com/id/1038457vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0213x-refsource-confirm, patch, vendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0213us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.