Is CVE-2026-121386 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-121386?

CVE-2026-121386 has a CVSS v3 severity of HIGH (7.5).

Back

CVE-2026-121386

Description

FreeRDP before 3.32.2 contains a denial of service vulnerability in WinPR's winpr_read_png_from_buffer() and winpr_convert_from_jpeg(), which lack libpng/libjpeg error handling. A malicious RDP server or MITM can offer a malformed PNG or truncated JPEG clipboard payload, causing the client to abort or exit.