CVE-2023-23400
Windows DNS Server Remote Code Execution Vulnerability
HIGH
7.2
CVSS Score
Published: March 14, 2023 at 04:55 PM UTC
Updated: June 17, 2026 at 05:37 AM UTC
4 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012
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Severity
HIGH7.2
Exploit prediction
EPSS 1%
SSVC
No known exploit
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 6.3.9600.20865, so it looks safe — our inference, not a vendor statement
10.0.14393.0 ≤ v < 10.0.14393.578610.0.14393.0
Affected range stops below 10.0.14393.5786, so it looks safe — our inference, not a vendor statement
10.0.17763.0 ≤ v < 10.0.17763.413110.0.17763.0
Affected range stops below 10.0.17763.4131, so it looks safe — our inference, not a vendor statement
10.0.20348.0 ≤ v < 10.0.20348.160710.0.20348.0
Affected range stops below 10.0.20348.1607, 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)
Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23400SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.2HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-122NVD-CWE-noinfo
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