Quick answers
- Is CVE-2026-84012 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-84012 being exploited in the wild.
- How severe is CVE-2026-84012?
- 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-2026-84012?
- 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-2026-84012 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-84012?
- Check whether you run Microsoft Remote Desktop Gateway Service, Microsoft Windows 10 1607, Microsoft Windows 10 1809 or one of the others listed. 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 double-free vulnerability in the Remote Desktop Gateway Service allows network-based remote code execution without requiring prior authentication. The vulnerability is in memory management of the service, enabling an attacker to manipulate freed memory allocations and achieve code execution. This is a critical flaw in a service commonly deployed to provide secure remote access to corporate resources.
Affected products
- Microsoft Remote Desktop Gateway Service
Timeline
- 2026-10-13: disclosed