CVE-2017-0213
HighExploitedPublic exploitWindows 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…
Published May 12, 2017 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2017-0213 is a high-severity vulnerability (CVSS 7.3 v3.1) affecting Windows 10 1507 (Microsoft), Windows 10 1511 (Microsoft), Windows 10 1607 (Microsoft) and 8 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 21, 2018 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 84% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
84%
Higher than 99.6% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2017-0213 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Mar 28, 2022 | Apr 18, 2022 | Known |
| Industry KEV feed | Dec 21, 2018 | Apr 18, 2022 | Known |
| CIRCL KEV | Mar 28, 2022 | Apr 18, 2022 | Known |
| ENISA EUVD | Mar 28, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
13 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 1507Microsoft | See advisory | n/a |
| Windows 10 1511Microsoft | See advisory | n/a |
| Windows 10 1607Microsoft | See advisory | n/a |
| Windows 10 1703Microsoft | See advisory | n/a |
| Windows 7Microsoft | See advisory | n/a |
Timeline
Publicly disclosed
May 12, 2017
Added to Industry KEV feed
Dec 21, 2018
Added to CISA KEV
Mar 28, 2022
Added to CIRCL KEV
Mar 28, 2022
Added to ENISA EUVD
Mar 28, 2022
Last updated
Apr 22, 2026
References
- advisory98102
- advisory1038457
- patchhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0213
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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,…
Affected: Windows 10 1507 (Microsoft); Windows 10 1511 (Microsoft); Windows 10 1607 (Microsoft), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 21, 2018 and is known to be used in ransomware campaigns.
Yes. It was added on Mar 28, 2022 with a federal remediation due date of Apr 18, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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