CVE-2022-26822

Name: CVE-2022-26822
Creator: NVD / NIST
Published: 2022-04-15T19:15:14.187+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.6/10EPSS 1.79%

Last modified Jun 17, 2026

CVE-2022-26822 is a medium-severity vulnerability rated 6.6/10 on the CVSS scale. Windows DNS Server Remote Code Execution Vulnerability. EPSS estimates a 1.79% 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

1.79%

75.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

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 2016	20h2	—
Microsoft	Windows Server 2019	All versions	—
Microsoft	Windows Server 2022	All versions	—

References

Timeline

Published: Apr 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-26822?

Windows DNS Server Remote Code Execution Vulnerability

How severe is CVE-2022-26822?

CVE-2022-26822 has a CVSS score of 6.6/10 (MEDIUM severity). The EPSS model estimates a 1.79% probability of exploitation in the next 30 days.

How do I fix CVE-2022-26822?

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-2022-26822?

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

Scan your code now

Source: NVD / NIST