Is CVE-2024-26221 in the CISA KEV catalog?

No. CVE-2024-26221 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-26221?

CVE-2024-26221 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2024-26221?

CVE-2024-26221 has an EPSS score of 1.82% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-26221?

Install KB5036899 for Windows Server 2016. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2024-26221

HIGHEPSS 76th pctl

7.2

CVSS v3

NVD

Description

Windows DNS Server Remote Code Execution Vulnerability

CWE-416Use After Free CWE-203

How to fix

Remediation Available

Windows Server 2016Windows

Install:KB5036899Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5036899Microsoft

Windows Server 2019Windows

Install:KB5036896Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5036896Microsoft

Windows Server 2022Windows

Install:KB5036909Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5036909Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)Windows

Install:KB5036910Microsoft

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.82%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Vendor Advisory1

msrc.microsoft.com

Embed a live status badge for CVE-2024-26221

Markdown

[![CVE-2024-26221](https://tridentstack.com/cve/badge/CVE-2024-26221.svg)](https://tridentstack.com/cve/CVE-2024-26221)

HTML

<a href="https://tridentstack.com/cve/CVE-2024-26221"><img src="https://tridentstack.com/cve/badge/CVE-2024-26221.svg" alt="CVE-2024-26221"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-08.