{"id":"CVE-2026-109945","title":"FreeRDP 3.0.0 before 3.32.0 contains a heap use-after-free vulnerability in smartcard emulation when SCARD_IOCTL_DISCONNECT and SCARD_IOCTL_TRANSMIT operate concurrently on one card handle","summary":"FreeRDP 3.0.0 before 3.32.0 contains a heap use-after-free vulnerability in smartcard emulation when SCARD_IOCTL_DISCONNECT and SCARD_IOCTL_TRANSMIT operate concurrently on one card handle. A malicious RDP server can overlap these IRPs t…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-362"],"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-2026-109945","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-8rpr-jjjg-5qv6","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-smartcard-use-after-free-via-concurrent-disconnect-and-transmit","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-8rpr-jjjg-5qv6","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00235,"epssPercentile":0.14329,"ingestedAt":"2026-10-13T14:29:01.851Z","vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP >= 3.0.0 < 3.32.0"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-13T13:53:34.632077Z"},"slug":"CVE-2026-109945","body":"## Overview\n\nFreeRDP 3.0.0 before 3.32.0 contains a heap use-after-free vulnerability in smartcard emulation when SCARD_IOCTL_DISCONNECT and SCARD_IOCTL_TRANSMIT operate concurrently on one card handle. A malicious RDP server can overlap these IRPs through separate context workers to free and reuse the SCardHandle, causing client-process heap corruption and termination.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":220887,"id":"CVE-2026-109945","ts":1792026901156,"field":"exploit_available","old":"false","new":"true"}]}