Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-44422

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP's RDPEAR NDR parser accepts one non-null NDR pointer ref-id for multiple logical pointer fields without tracking the pointed object's expected NDR type or ownership. When the same ref-id is reused across two pointer fields, the parser assigns the same heap object to both output fields. The generic destructor later walks each field independently and destroys/frees both pointers. This causes a malicious-server-triggerable heap use-after-free / double-free in the FreeRDP client's RDPEAR authentication-redirection path. This vulnerability is fixed in 3.26.0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.7%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-44422


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