CVE-2026-65785
Windows DHCP Client Denial of Service Vulnerability
Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows DHCP Client Denial of Service Vulnerability
Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
- Record
CVE-2026-65785- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2026-56439
Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
- Record
EUVD-2026-56439- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-r9x2-vg45-q8vq
Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny...
Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
- Record
GHSA-r9x2-vg45-q8vq- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
NVD
Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
- Record
CVE-2026-65785- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-65785 is a medium vulnerability (CVSS 6.5) in Microsoft Windows 11 Version 24h2, published August 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 48th percentile. No source names a fixed version.