FreeRDP 2.0.0 before 3.32.0 Heap Out-of-Bounds Write via NTLM MIC Offset
Classification: Severe, Solution: Official Fix, Exploit Maturity: Not Defined, CVSSv3.1: 8.3, CVEs: CVE-2026-111880, Summary: FreeRDP versions from 2.0.0 before 3.32.0 contain a heap out-of-bounds write in the server hash-callback NTLM path that fails to validate the MIC offset. 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.
EPSS 0.00 CVSS 8.3 CVE-2026-111880 FreeRDP FI