A vulnerability described as problematic has been identified in mcmilk 7-Zip up to 26.00 . Affected by this vulnerability is the function SecurOffsets.Size of the file CPP/7zip/Archive/Wim/WimHandler.cpp . The manipulation results in out-of-bounds read. This vulnerability is known as CVE-2026-48103 . It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.