Unauthenticated DHCP service interruption
Published Oct 10, 2023 · Updated Apr 14, 2025
Uncontrolled resource consumption in Microsoft Windows Server DHCP Server allows remote attackers to interrupt DHCP service over the network. Microsoft has not published the packet field, parser path, or resource that the DHCP service mishandles. The attack requires no authentication or user interaction and can make DHCP unavailable, without reported confidentiality or integrity impact.
Summary
What happened
Uncontrolled resource consumption in Microsoft Windows Server DHCP Server allows remote attackers to interrupt DHCP service over the network. Microsoft has not published the packet field, parser path, or resource that the DHCP service mishandles. The attack requires no authentication or user interaction and can make DHCP unavailable, without reported confidentiality or integrity impact.
The record
- CVE
- CVE-2023-36703
- Published
- Oct 10, 2023
- Updated
- Apr 14, 2025
- Vendor
- Microsoft
- Product
- Windows Server 2019
- Classifications
- CWE-400, T1499
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Oct 10, 2023CVE publishedPublication date reported by the CVE source.
- Apr 14, 2025Record 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.
- Affected versionversion=10.0.17763.0 <10.0.17763.4974
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
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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