CVE-2021-31167
Windows Container Manager Service Elevation of Privilege Vulnerability
HIGH
7.8
CVSS Score
Published: May 11, 2021 at 07:11 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
10 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows 10 1809
Using Windows 10 Version 1809 by Microsoft?
Get instant alerts when new vulnerabilities affect Windows 10 Version 1809 - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.8
Exploit prediction
EPSS 1%
Description
Windows Container Manager Service Elevation of Privilege Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 10.0.17763.1935, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.18363.1556, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.18363.1556, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.19041.982, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.17763.1935, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.19041.98210.0.0
Affected range stops below 10.0.19041.982, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.19042.98210.0.0
Affected range stops below 10.0.19042.982, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.19042.98210.0.0
Affected range stops below 10.0.19042.982, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/162559/Windows-Container-Manager-Service-CmsRpcSrv_MapNamedPipeToContainer-Privilege-Escalation.htmlx_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31167CVSS
7.8HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-732
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card