CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Microsoft Windows Privilege Escalation Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
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.
Affected products
microsoft: windows 10 1507; microsoft: windows 10 1511; microsoft: windows 10 1607; microsoft: windows 10 1703; microsoft: windows 7; microsoft: windows 8.1; microsoft: windows rt 8.1; microsoft: windows server 2008; microsoft: windows server 2012; microsoft: windows server 2016
References9
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… PatchVendor Advisory
- www.exploit-db.com/exploits/42020/ ExploitThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/42020/ ExploitThird Party AdvisoryVDB Entry
- www.securityfocus.com/bid/98102 Broken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1038457 Broken LinkThird Party AdvisoryVDB Entry
- www.securityfocus.com/bid/98102 Broken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1038457 Broken LinkThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
Metrics
- CVSS 3.1
-
7.3
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 84% percentile: 100 · as of 8 November 2026
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