CVE-2026-91957FreeRDP before 3.31.0 Use-After-Free via smartcard worker
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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FreeRDP before 3.31.0 contains a use-after-free vulnerability in the smartcard RDPDR device handler when worker thread creation fails after device registration. Attackers can trigger thread creation failure during channel setup to cause device pointer deallocation while devman retains a reference, leading to crash or code execution.
- CVSS
- 3.1 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Analyzed
- Record last updated
- Sep 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
FreeRDP FreeRDP freerdp:freerdp (from the name) | before 3.31.0; 3.31.0 not affected | CNA record |
freerdp freerdp freerdp:freerdp | before 3.31.0 | NVD |
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-j5mq-3349-gwmmvendor-advisory, exploit
- https://www.vulncheck.com/advisories/freerdp-before-3.31.0-use-after-free-via-smartcard-workerthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.