# CVE-2026-69539: Microsoft Windows Remote Desktop Services use-after-free

Source: https://junglewise.ai/threats/cve-2026-69539-microsoft-windows-remote-desktop-services-use-after-free  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-08. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-69539 · Severity: high · CVSS 7.5 · Published 2026-09-08

Windows Remote Desktop Services is a Windows feature that allows users to access computers remotely over a network. A use-after-free vulnerability in this service could allow an authorized attacker to execute arbitrary code on the target system, potentially compromising the entire computer and any sensitive data it contains.

Technologies: [Microsoft Windows Remote Desktop Services](https://junglewise.ai/threats/technologies/windows-remote-desktop-services). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-69539 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-69539 being exploited in the wild.

**How severe is CVE-2026-69539?** High severity, with a CVSS score of 7.5, published 8 September 2026.

**Which products and versions are affected?** Microsoft Windows Remote Desktop Services <UNKNOWN>.

**Is there a fix for CVE-2026-69539?** 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-2026-69539 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-69539?** Check whether you run Microsoft Windows Remote Desktop Services at an affected version. 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 Windows Remote Desktop Services, where freed memory is accessed after deallocation, allowing memory corruption. An authorized attacker with network access to RDP can exploit this vulnerability to execute arbitrary code in the context of the affected service. The vulnerability requires an attacker to be authenticated to the RDP service. Patches are expected to be available through Microsoft's security update process.

## Affected products

- Microsoft Windows Remote Desktop Services <UNKNOWN>

## Timeline

- 2026-09-08: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69539](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69539)

## Related threats

- [Windows Remote Desktop Services double free privilege escalation](https://junglewise.ai/threats/cve-2026-119957-double-free-in-windows-remote-desktop-services-allows-an)
- [Microsoft Windows Remote Desktop Services use-after-free RCE](https://junglewise.ai/threats/cve-2026-69992-use-after-free-in-windows-remote-desktop-services-allows-an)
- [Microsoft Windows Remote Desktop Services out-of-bounds read](https://junglewise.ai/threats/cve-2026-80096-microsoft-windows-remote-desktop-services-out-of-bounds-read)
- [Microsoft Windows Remote Desktop Services use-after-free](https://junglewise.ai/threats/cve-2026-69536-microsoft-windows-remote-desktop-services-use-after-free)
- [Microsoft Windows Remote Desktop Services use-after-free](https://junglewise.ai/threats/cve-2026-69525-microsoft-windows-remote-desktop-services-use-after-free)
