Is CVE-2026-109948 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-109948?

CVE-2026-109948 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-109948

Description

FreeRDP from 3.0.0 before 3.32.0 contains an uninitialized memory disclosure vulnerability in smartcard_Transmit_Call that allows malicious RDP servers to read client memory. Servers can send SCardTransmit requests with an invalid card handle and nonzero receive length, causing smartcard_pack_transmit_return to serialize up to 66,560 uninitialized heap bytes.