Microsoft Windows Remote Desktop Connection Client Link Following Remote Code Execution Vulnerability

November 13th, 2026
ZDI-26-967 ZDI-CAN-30756

CVE ID

CVE-2026-119824

CVSS Score

7.5 AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors

Microsoft

Affected Products

Windows

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must connect to a malicious server.

The specific flaw exists within the Remote Desktop Connection client. By creating a reparse point, an attacker can abuse the service to access arbitrary files. An attacker can leverage this vulnerability to execute code in the context of the current user.

Additional Details

Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119824

Disclosure Timeline

  • 2026-09-04 - Vulnerability reported to vendor
  • 2026-11-13 - Coordinated public release of advisory
  • 2026-11-13 - Advisory Updated

Credit

Kyeongmin Kim (@hareh4ru) of KAIST Hacking Lab

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