7.3

CVE-2017-0213: Microsoft Windows Privilege Escalation Vulnerability

CVSS: 7.3v3.1HighKEVRansomwareAnalyzed
Published 12-05-2017Last modified 21-10-2025
Open JSON

Vulnerability summary

CVE-2017-0213 is a high (CVSS 7.3) vulnerability in Microsoft Windows. It is known to be exploited: CISA lists it, first on 28-03-2022. It has been used in ransomware campaigns. EPSS estimates a 84.26% chance of exploitation in the next 30 days, higher than 99.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v3.1 (CVE.org)
EPSS score
84.26%
0%100%
Critical · +0.12 pp in 30 days
KEVListedCISA
RansomwareKnown useFlagged by CISA
Public exploits1exploit-database

Timeline

  1. 12-05-2017
    PublishedVulnerability first disclosed.
  2. 28-03-2022
    Added to CISA KEVMicrosoft Windows Privilege Escalation Vulnerability
  3. 18-04-2022
    CISA remediation dueApply updates per vendor instructions.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

84.26%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

+0.12 pp

From 84.14% on 19-09-2026

19-09-202619-10-2026
EPSS score
84.26%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
28-03-2022
Federal due date
18-04-2022
Ransomware

CISA required action

Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2017-0213

Public exploits

1 found
  • exploit-databaselocalwindowsVerified

    Microsoft Windows - COM Aggregate Marshaler/IRemUnknown2 Type Confusion Privilege Escalation

    Maturity: weaponized

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft10 products
Microsoft corporation1 product
  • windows comMicrosoft 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.

2 vendors · 11 products

References

5 links