Quick answers
- Is CVE-2026-72998 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-72998 being exploited in the wild.
- How severe is CVE-2026-72998?
- High severity, with a CVSS score of 8.1, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Windows DHCP Server.
- Is there a fix for CVE-2026-72998?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-72998 attacked?
- It is attacked over the network, in an operating system.
- Am I affected by CVE-2026-72998?
- Check whether you run Microsoft Windows DHCP Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is a use-after-free condition in Windows DHCP Server that can be triggered over the network without authentication. An attacker can send specially crafted DHCP packets to trigger memory corruption and execute arbitrary code with the privileges of the DHCP service.
Affected products
- Microsoft Windows DHCP Server
Timeline
- 2026-11-10: disclosed