{"id":"CVE-2026-121955","title":"FreeRDP before 3.32.2 Use-After-Free in Smartcard Emulation ReleaseContext","summary":"FreeRDP before 3.32.2 contains a use-after-free vulnerability in Emulate_SCardReleaseContext that frees the emulated SCardContext before its worker thread is cancelled and joined. A malicious server can send ESTABLISHCONTEXT, a long-time…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-416"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP < 3.32.2"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-11-04T18:25:56.418577Z"},"exploitAvailable":true,"published":"2026-11-04","updated":"2026-11-04","sourceUpdated":"2026-11-04T18:26:28.042Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121955","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-983v-jp34-f3fm","label":"GitHub Security Advisory (GHSA-983v-jp34-f3fm)"},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-in-smartcard-emulation-releasecontext","label":"VulnCheck Advisory: FreeRDP before 3.32.2 Use-After-Free in Smartcard Emulation ReleaseContext"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-11-05T21:36:00.488Z","slug":"CVE-2026-121955","body":"## Overview\n\nFreeRDP before 3.32.2 contains a use-after-free vulnerability in Emulate_SCardReleaseContext that frees the emulated SCardContext before its worker thread is cancelled and joined. A malicious server can send ESTABLISHCONTEXT, a long-timeout GETSTATUSCHANGE, then RELEASECONTEXT smartcard IRPs to corrupt heap memory or crash clients using smartcard emulation.\n\n## Affected\n\n- `FreeRDP < 3.32.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}