CVE-2026-121955

7.5 HIGHpublic exploit available

Published 2026-11-04 · Updated 2026-11-04

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

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-timeout GETSTATUSCHANGE, then RELEASECONTEXT smartcard IRPs to corrupt heap memory or crash clients using smartcard emulation.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-416

Public exploit & PoC references

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-983v-jp34-f3fm
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-983v-jp34-f3fm

All references

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-983v-jp34-f3fm
https://www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-in-smartcard-emulation-releasecontext
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-983v-jp34-f3fm

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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