CVE-2026-70187 Windows Remote Desktop Services Remote Code Execution Vulnerability
An unauthorized attacker can execute code over the network via a use-after-free flaw in the Windows Remote Desktop Gateway Service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-70187?
CVE-2026-70187 is a high-severity use after free vulnerability in Microsoft Windows Server 2012, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.
Weakness: CWE-416
Which versions are affected by CVE-2026-70187?
How do I fix CVE-2026-70187?
No fix has been published for CVE-2026-70187 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-70187 being exploited?
There is no known exploitation of CVE-2026-70187 in the wild and no public exploit code.
Sources
Also known as GHSA-6v4r-hrvq-rj6w.