What is CVE-2026-109938?

CVE-2026-109938 is a medium-severity vulnerability in Freerdp, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2026-10-13.

How severe is CVE-2026-109938?

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

Integer overflow in Freerdp

CVE-2026-109938

Positive mapped-video coordinates overflow and abort FreeRDP clients A malicious or compromised RDP server can terminate a FreeRDP client after the user connects with video redirection enabled.

Vulnerability class: Integer Overflow

Published 2026-10-13.

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-190 — Integer Overflow or Wraparound

References

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-96rv-gf42-7wq9 (vendor-advisory)
www.vulncheck.com/advisories/freerdp-3.11.0-before-3.32.0-integer-overflow-via-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-109938?: CVE-2026-109938 is a medium-severity vulnerability in Freerdp, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2026-10-13.
How severe is CVE-2026-109938?: Medium severity. CVSS v3 base score is 6.5 out of 10.