# CVE-2026-85337: Microsoft Remote Desktop Client out-of-bounds read

Source: https://junglewise.ai/threats/cve-2026-85337-out-of-bounds-read-in-remote-desktop-client-allows-an  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-85337 · Severity: medium · CVSS 6.5 · Published 2026-10-13

Microsoft Remote Desktop Client, software that allows users to connect to and control remote computers, contains an out-of-bounds read vulnerability. An attacker on the network can exploit this to read sensitive information from a user's system without authorization, potentially exposing credentials or other confidential data.

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-2026-85337 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-85337 being exploited in the wild.

**How severe is CVE-2026-85337?** Medium severity, with a CVSS score of 6.5, published 13 October 2026.

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

**Is there a fix for CVE-2026-85337?** 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-2026-85337 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-85337?** 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

An out-of-bounds read vulnerability in the Remote Desktop Client allows an attacker to read memory beyond the intended buffer boundaries. The vulnerability is reachable over the network and requires user interaction or an active RDP session; successful exploitation results in information disclosure but does not allow code execution or modification of data.

## Affected products

- Microsoft Remote Desktop Client

## Timeline

- 2026-10-13: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85337](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85337)

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