{"id":"CVE-2026-109948","title":"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","summary":"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 h…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","cwe":["CWE-200"],"published":"2026-10-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T20:10:50.690","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109948","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-memory-disclosure-via-scardtransmit-smartcard-redirection","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00287,"epssPercentile":0.21064,"ingestedAt":"2026-10-13T14:29:01.852Z","vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP >= 3.0.0 < 3.32.0"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-14T14:06:22.798452Z"},"slug":"CVE-2026-109948","body":"## Overview\n\nFreeRDP 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":36,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":221282,"id":"CVE-2026-109948","ts":1792031036940,"field":"exploit_available","old":"false","new":"true"}]}