What is CVE-2026-114042?

CVE-2026-114042 is a medium-severity vulnerability in Freerdp, classified under Use After Free. CVSS score: 6.5/10. Published 2026-10-21.

How severe is CVE-2026-114042?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Use After Free in Freerdp

CVE-2026-114042

FreeRDP 3.32.0 contains a use-after-free vulnerability in the drdynvc channel that frees a pool-owned stream with the owned-stream deallocator when totalLength is smaller than the chunk size. A malicious RDP server can send a single well-formed Virtual Channel PDU to trigger the free and crash the client during teardown.

Vulnerability class: Use-After-Free

Published 2026-10-21.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Freerdp

Weakness classification (CWE)

CWE-416 — Use After Free

References

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5xjc-c64q-m8r6 (vendor-advisory)
www.vulncheck.com/advisories/freerdp-3.32.0-use-after-free-via-drdynvc-virtual-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-114042?: CVE-2026-114042 is a medium-severity vulnerability in Freerdp, classified under Use After Free. CVSS score: 6.5/10. Published 2026-10-21.
How severe is CVE-2026-114042?: Medium severity. CVSS v3 base score is 6.5 out of 10.