CVE-2026-65785: CWE-400: Uncontrolled Resource Consumption in Microsoft Windows 11 Version 24H2
Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-65785) involves uncontrolled resource consumption in the Windows DHCP Client on Windows 11 Version 24H2 (build 10.0.26100.0). An attacker without privileges can exploit this flaw over an adjacent network to cause a denial of service by exhausting system resources. The vulnerability is categorized under CWE-400 (Uncontrolled Resource Consumption). Microsoft has released an official patch to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability results in denial of service (DoS) due to resource exhaustion in the DHCP Client component. There is no impact on confidentiality or integrity. The attack vector requires adjacency on the network, and no user interaction or privileges are needed.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65785 to remediate this vulnerability.
CVE-2026-65785: CWE-400: Uncontrolled Resource Consumption in Microsoft Windows 11 Version 24H2
Description
Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
CVSS v3.1
Score 6.5medium
Affected software
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-65785) involves uncontrolled resource consumption in the Windows DHCP Client on Windows 11 Version 24H2 (build 10.0.26100.0). An attacker without privileges can exploit this flaw over an adjacent network to cause a denial of service by exhausting system resources. The vulnerability is categorized under CWE-400 (Uncontrolled Resource Consumption). Microsoft has released an official patch to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability results in denial of service (DoS) due to resource exhaustion in the DHCP Client component. There is no impact on confidentiality or integrity. The attack vector requires adjacency on the network, and no user interaction or privileges are needed.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65785 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-22T21:30:09.119Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65785","vendor":"Microsoft"}]
Threat ID: 6a7b5832bf8831d539156462
Added to database: 08/11/2026, 17:13:22 UTC
Last enriched: 08/11/2026, 19:57:10 UTC
Last updated: 09/24/2026, 01:47:43 UTC
Views: 25
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