CVE-2024-26215Network attack vector

Unauthenticated DHCP service interruption

Published Apr 9, 2024 · Updated May 3, 2025

Denial of service in Microsoft Windows Server DHCP Server allows remote attackers to interrupt DHCP service over the network. Microsoft has not published the packet type, processing locus, or resource operation responsible for the uncontrolled consumption. No authentication or user interaction is required, and the reported consequence is limited to DHCP service availability.

CVSS severity7.5
High
EPSS probability2.67%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Denial of service in Microsoft Windows Server DHCP Server allows remote attackers to interrupt DHCP service over the network. Microsoft has not published the packet type, processing locus, or resource operation responsible for the uncontrolled consumption. No authentication or user interaction is required, and the reported consequence is limited to DHCP service availability.

The record

CVE
CVE-2024-26215
Published
Apr 9, 2024
Updated
May 3, 2025
Vendor
Microsoft
Product
Windows Server 2019
Classifications
CWE-400, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 9, 2024CVE publishedPublication date reported by the CVE source.
  2. May 3, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.0.17763.0 <10.0.17763.5696

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Windows Server 2019version=10.0.17763.0 <10.0.17763.5696
Microsoft · Windows Server 2016 (Server Core installation)version=10.0.14393.0 <10.0.14393.6897
Microsoft · Windows Server 2012 (Server Core installation)version=6.2.9200.0 <6.2.9200.24821
Microsoft · Windows Server 2012version=6.2.9200.0 <6.2.9200.24821
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)version=10.0.25398.0 <10.0.25398.830
Microsoft · Windows Server 2016version=10.0.14393.0 <10.0.14393.6897
Microsoft · Windows Server 2008 R2 Service Pack 1version=6.1.7601.0 <6.1.7601.27067
Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)version=6.1.7601.0 <6.1.7601.27067
Microsoft · Windows Server 2012 R2 (Server Core installation)version=6.3.9600.0 <6.3.9600.21924
Microsoft · Windows Server 2019 (Server Core installation)version=10.0.17763.0 <10.0.17763.5696
Microsoft · Windows Server 2008 Service Pack 2version=6.0.6003.0 <6.0.6003.22618
Microsoft · Windows Server 2022version=10.0.20348.0 <10.0.20348.2402
Microsoft · Windows Server 2012 R2version=6.3.9600.0 <6.3.9600.21924
Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)version=6.0.6003.0 <6.0.6003.22618

Published CVSS scores

7.5MicrosoftCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo