CVE-2025-32725Network attack vector

Unauthenticated DHCP service interruption

Published Jun 10, 2025 · Updated Feb 20, 2026

Denial of service in Microsoft Windows DHCP Server allows remote attackers to interrupt DHCP service via network traffic. Microsoft has not published the vulnerable request, code locus, or failed protection operation. Exploitation requires network reachability to a server running the DHCP Server role; the reported impact is loss of DHCP service, not data access or modification.

CVSS severity7.5
High
EPSS probability1.75%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Microsoft Windows DHCP Server allows remote attackers to interrupt DHCP service via network traffic. Microsoft has not published the vulnerable request, code locus, or failed protection operation. Exploitation requires network reachability to a server running the DHCP Server role; the reported impact is loss of DHCP service, not data access or modification.

The record

CVE
CVE-2025-32725
Published
Jun 10, 2025
Updated
Feb 20, 2026
Vendor
Microsoft
Product
Windows Server 2019
Classifications
CWE-693, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 20, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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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 <10.0.17763.7434

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Windows Server 2019version=10.0.17763.0 <10.0.17763.7434
Microsoft · Windows Server 2025 (Server Core installation)version=10.0.26100.0 <10.0.26100.4349
Microsoft · Windows Server 2016 (Server Core installation)version=10.0.14393.0 <10.0.14393.8148
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)version=10.0.25398.0 <10.0.25398.1665
Microsoft · Windows Server 2016version=10.0.14393.0 <10.0.14393.8148
Microsoft · Windows Server 2019 (Server Core installation)version=10.0.17763.0 <10.0.17763.7434
Microsoft · Windows Server 2022version=10.0.20348.0 <10.0.20348.3807
Microsoft · Windows Server 2025version=10.0.26100.0 <10.0.26100.4349

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-693Protection Mechanism Failure
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

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Your stack

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