CVE-2021-43232
Windows Event Tracing Remote Code Execution Vulnerability
HIGH
7.8
CVSS Score
Published: December 15, 2021 at 02:15 PM UTC
Updated: June 17, 2026 at 04:10 AM UTC
20 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012
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 2%
SSVC
No known exploit
Description
Windows Event Tracing Remote Code Execution Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 10.0.10240.19145, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.14393.4825, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.17763.2366, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.18363.1977, so it looks safe — our inference, not a vendor statement
All versions
Affected range stops below 6.3.9600.20207, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.19041.1415, 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 (1)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43232SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.8HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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