CVE-2026-111880: FreeRDP 2.0.0 to before 3.32.0

Affected technology

FreeRDP · 2.0.0 to before 3.32.0
FreeRDP

Description’s affected range: versions from 2.0.0 before 3.32.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Unauthenticated attackers can send a crafted AUTHENTICATE_MESSAGE with a backward session-key offset and MIC offset to write 16 zero bytes beyond the allocation. Vendor/CNA’s CVSS 4.0 assessment (base score 8.3/10) rates confidentiality impact as none; integrity and availability impact as high.