Is CVE-2026-85090 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-85090?

CVE-2026-85090 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-85090

Description

FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the general_ChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFX_AVC444_BITMAP_STREAM with specific frame geometry to trigger an out-of-bounds memory read past the allocated luma plane.