# CVE-2026-119824: Microsoft Remote Desktop Client authentication bypass

Source: https://junglewise.ai/threats/cve-2026-119824-missing-authentication-for-critical-function-in-remote-desktop  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-119824 · Severity: high · CVSS 8.8 · Published 2026-11-10

Microsoft Remote Desktop Client is software that allows users to connect to and control computers over a network. A missing authentication check in a critical function allows an attacker on the network to tamper with Remote Desktop communications and potentially take control of connections without proper credentials. This could enable unauthorized access to remote systems.

Technologies: [Microsoft Remote Desktop Client](https://junglewise.ai/threats/technologies/remote-desktop-client). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-119824 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-119824 being exploited in the wild.

**How severe is CVE-2026-119824?** High severity, with a CVSS score of 8.8, published 10 November 2026.

**Which products and versions are affected?** Microsoft Remote Desktop Client.

**Is there a fix for CVE-2026-119824?** 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-2026-119824 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-119824?** Check whether you run Microsoft Remote Desktop Client. 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 critical function in Remote Desktop Client lacks proper authentication validation, allowing unauthenticated network attackers to perform tampering operations. The vulnerability is exploitable over the network without requiring user interaction or prior authentication. An attacker can intercept or manipulate Remote Desktop Protocol communications to gain unauthorized access or control.

## Affected products

- Microsoft Remote Desktop Client

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119824](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119824)

## Related threats

- [Microsoft Remote Desktop Client race condition code execution](https://junglewise.ai/threats/cve-2026-95964-concurrent-execution-using-shared-resource-with-improper)
- [Microsoft Remote Desktop Client out-of-bounds read](https://junglewise.ai/threats/cve-2026-95908-out-of-bounds-read-in-remote-desktop-client-allows-an-authorized)
- [Microsoft Remote Desktop Client out-of-bounds read](https://junglewise.ai/threats/cve-2026-121678-out-of-bounds-read-in-remote-desktop-client-allows-an)
- [Microsoft Remote Desktop Client out-of-bounds read](https://junglewise.ai/threats/cve-2026-121677-out-of-bounds-read-in-remote-desktop-client-allows-an)
- [Microsoft Remote Desktop Client double free memory corruption](https://junglewise.ai/threats/cve-2026-119934-double-free-in-remote-desktop-client-allows-an-unauthorized)
