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CVE-2026-96320

Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.

Scores

9.8
CVSS 9.8 out of 10, critical severity.
0.9%
EPSS 0.9% chance of exploitation in the next 30 days.

The facts

Published
13 October 2026
Last changed
16 October 2026
NVD status
Analyzed
Severity
Critical, CVSS 9.8 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
Affects
  • microsoft windows 10 1607
  • microsoft windows 10 1809
  • microsoft windows server 2012
  • microsoft windows server 2016
  • microsoft windows server 2019
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
0.9% chance of exploitation activity in the next 30 days (percentile 59).

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References