Quick answers
- Is CVE-2026-100218 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-100218 being exploited in the wild.
- How severe is CVE-2026-100218?
- High severity, with a CVSS score of 8.1, published 13 October 2026.
- Which products and versions are affected?
- Microsoft Remote Desktop Gateway Service.
- Is there a fix for CVE-2026-100218?
- 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-2026-100218 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-100218?
- Check whether you run Microsoft Remote Desktop Gateway Service. 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 use-after-free vulnerability exists in the Remote Desktop Gateway Service, allowing unauthenticated remote code execution over the network without user interaction. The vulnerability permits attackers to execute arbitrary code with the privileges of the gateway service. This is a memory safety issue in the gateway's request handling logic.
Affected products
- Microsoft Remote Desktop Gateway Service
Timeline
- 2026-10-13: disclosed