CVE-2026-70250 Windows DHCP Client - Use After Free

Windows DHCP Client contains a use after free vulnerability caused by improper memory handling, letting unauthorized adjacent network attackers execute arbitrary code remotely, exploit requires network adjacency.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.42% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
13 October 2026
Updated
15 October 2026
Weakness
CWE-362

Vendor fix

Update to the latest Windows version with security patches.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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