What is CVE-2026-24679?

CVE-2026-24679 is a critical-severity vulnerability in Freerdp, classified under Heap-based Buffer Overflow. CVSS score: 9.1/10. Published 2026-02-09.

How severe is CVE-2026-24679?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Buffer overflow in Freerdp

CVE-2026-24679

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, The URBDRC client uses server-supplied interface numbers as array indices without bounds checks, causing an out-of-bounds read in libusb_udev_select_interface. This vulnerability is fixed in 3.22.0.

Vulnerability class: Buffer Overflow

Published 2026-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Freerdp — versions < 3.22.0

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2jp4-67x6-gv7x (Patch, Vendor Advisory)
github.com/FreeRDP/FreeRDP/commit/2d563a50be17c1b407ca448b1321378c0726dd31 (Patch)

Frequently asked questions

What is CVE-2026-24679?: CVE-2026-24679 is a critical-severity vulnerability in Freerdp, classified under Heap-based Buffer Overflow. CVSS score: 9.1/10. Published 2026-02-09.
How severe is CVE-2026-24679?: Critical severity. CVSS v3 base score is 9.1 out of 10.