CVE-2026-55783 | M2Team NanaZip up to 6.5.1748.0 IInArchive Extract Indices/NumItems null pointer dereference

A vulnerability was found in M2Team NanaZip up to 6.5.1748.0 and classified as problematic. This vulnerability affects the function Extract of the component IInArchive Handler. The manipulation of the argument Indices/NumItems results in null pointer dereference.

This vulnerability is identified as CVE-2026-55783. The attack is only possible with local access. There is not any exploit available.