CVE-2021-40469
Windows DNS Server Remote Code Execution Vulnerability
HIGH
7.2
CVSS Score
Published: October 13, 2021 at 12:27 AM UTC
Updated: June 17, 2026 at 04:06 AM UTC
7 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012
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Severity
HIGH7.2
Exploit prediction
EPSS 8%
Description
Windows DNS Server Remote Code Execution Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 10.0.19041.1288, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.0.6003.21251, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.7601.25740, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.9200.23490, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.9600.20144, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.14393.4704, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.17763.2237, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.20348.288, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.19042.128810.0.0
Affected range stops below 10.0.19042.1288, 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-2021-40469CVSS
7.2HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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