What is CVE-2026-23948?

CVE-2026-23948 is a high-severity vulnerability in Freerdp, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-02-09.

How severe is CVE-2026-23948?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Freerdp

CVE-2026-23948

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdp_write_logon_info_v2() allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted Log…

EPSS: 0.005 (37.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Freerdp — versions < 3.22.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-23948?: CVE-2026-23948 is a high-severity vulnerability in Freerdp, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-02-09.
How severe is CVE-2026-23948?: High severity. CVSS v3 base score is 7.5 out of 10.