SEPTEMBER 17, 2026
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Case File

CVE-2026-91963

MEDIUM · CVSS 6.5 EPSS 0.64% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-15 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

FreeRDP versions prior to 3.31.0 are vulnerable to an uninitialized heap memory disclosure in the USB redirection channel, which can be exploited by a malicious RDP server to induce failing USB transfers. This vulnerability can lead to the exposure of sensitive information and, when combined with other memory corruption flaws, may allow for remote code execution. Organizations using affected FreeRDP versions should prioritize patching to mitigate potential security risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-91963
Severity
MEDIUM
CVSS
6.5
EPSS
0.64%

Original NVD Description

FreeRDP versions before 3.31.0 contain an uninitialized heap memory disclosure vulnerability in the urbdrc USB redirection channel. A malicious RDP server can induce failing USB transfers to read uninitialized heap memory from the client, defeating ASLR and enabling remote code execution when chained with memory corruption vulnerabilities.