CVE-2026-48831 | WineHQ Wine up to 11.0 MIME resource transfer

A vulnerability described as critical has been identified in WineHQ Wine up to 11.0. This issue affects some unknown processing of the component MIME Handler. Such manipulation leads to incorrect resource transfer.

This vulnerability is listed as CVE-2026-48831. The attack must be carried out locally. There is no available exploit.

There is ongoing doubt regarding the real existence of this vulnerability.