Vulnerability · Published Oct 13, 2026 · Assigned by VulnCheck

CVE-2026-109948FreeRDP 3.0.0 before 3.32.0 Memory Disclosure via SCardTransmit Smartcard Redirection

Medium 4.3

In plain English

A medium-severity information exposure in FreeRDP from FreeRDP. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 78.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:12	freerdp2	no fix listed	DEBIAN-CVE-2026-109948
Debian:13	freerdp3	no fix listed	DEBIAN-CVE-2026-109948
Debian:14	freerdp3	3.32.0+dfsg-1	DEBIAN-CVE-2026-109948
Ubuntu:22.04:LTS	freerdp2	no fix listed	UBUNTU-CVE-2026-109948
Ubuntu:24.04:LTS	freerdp3	3.32.0+dfsg-0ubuntu0.24.04.1	UBUNTU-CVE-2026-109948
Ubuntu:26.04:LTS	freerdp3	3.32.0+dfsg-0ubuntu0.26.04.1	UBUNTU-CVE-2026-109948

Affected products (as reported)

Vendor	Product	Versions
FreeRDP	FreeRDP	3.0.0 – before 3.32.0

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References

GitHub Security Advisory (GHSA-f554-v4xw-5j39) vendor-advisory
VulnCheck Advisory: FreeRDP 3.0.0 before 3.32.0 Memory Disclosure via SCardTransmit Smartcard Redirection third-party-advisory