CVE-2026-91963
FreeRDP 2.0.0 through 3.30.0 Uninitialized Heap Memory Disclosure via urbdrc
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-457 |
| Vendor | freerdp |
| Product | freerdp |
| Published | Sep 15, 2026 |
| Last Updated | Sep 15, 2026 |
Stay Ahead of the Next One
Get instant alerts for freerdp freerdp
Be the first to know when new medium vulnerabilities affecting freerdp freerdp are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
FreeRDP / FreeRDP
2.0.0 < 3.0.0 3.0.0 < 3.31.0
FreeRDP / FreeRDP
0 < 3.31.0
References
Credits
🔍 iarce-qb