MEDIUM

CVE-2026-91963

2026-09-15 CVSS v3.1

CVSS

6.5

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.

Weakness (CWE)

CWE-457

EPSS Score

0.64%

Probability of exploitation in next 30 days

49.2th percentile

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hw7p-5h2r-83gq https://www.vulncheck.com/advisories/freerdp-2.0.0-through-3.30.0-uninitialized-heap-memory-disclosure-via-urbdrc

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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