Quick answers
- Is CVE-2026-69845 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-69845 being exploited in the wild.
- How severe is CVE-2026-69845?
- Critical severity, with a CVSS score of 9.8, published 8 September 2026.
- Which products and versions are affected?
- Microsoft Windows DHCP Server.
- Is there a fix for CVE-2026-69845?
- 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-2026-69845 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-69845?
- 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
A heap-based buffer overflow vulnerability exists in the Windows DHCP Server component, allowing remote code execution. The vulnerability is exploitable over the network without authentication or user interaction required, making it a worm-like threat. An attacker can send a specially crafted DHCP packet to trigger the overflow and achieve arbitrary code execution in the DHCP Server process context. The vulnerability has been assigned a CVSS score of 9.8 and reported as critical severity.
Affected products
- Microsoft Windows DHCP Server
Timeline
- 2026-09-08: disclosed