CVE-2023-28255

Name: CVE-2023-28255
Creator: NVD / NIST
Published: 2023-04-11T21:15:25.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.6/10EPSS 0.84%

Last modified Jun 17, 2026

CVE-2023-28255 is a medium-severity vulnerability rated 6.6/10 on the CVSS scale. Windows DNS Server Remote Code Execution Vulnerability. EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

Windows DNS Server Remote Code Execution Vulnerability

Metrics

CVSS 3.1

6.6/10

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.84%

53.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-591

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows Server 2008	All versions	Sp2
Microsoft	Windows Server 2008	r2	Sp1
Microsoft	Windows Server 2012	All versions	—
Microsoft	Windows Server 2012	r2	—
Microsoft	Windows Server 2016	All versions	—
Microsoft	Windows Server 2019	All versions	—
Microsoft	Windows Server 2022	All versions	—

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28255Patch, Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28255Patch, Vendor Advisory

Timeline

Published: Apr 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28255?

Windows DNS Server Remote Code Execution Vulnerability

How severe is CVE-2023-28255?

CVE-2023-28255 has a CVSS score of 6.6/10 (MEDIUM severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28255?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-28255?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST