CVE-2025-50328

A vulnerability in B1 Free Archiver v1.5.86 allows files extracted from downloaded archives to bypass Windows Mark of the Web MotW protections. When an archive is downloaded from the internet and extracted using B1 Free Archiver, the software fails to propagate the 'Zone.Identifier' alternate dat...

PT-2026-36002

Name of the Vulnerable Software and Affected Versions B1 Free Archiver version 1.5.86 Description An issue exists where files extracted from downloaded archives bypass Windows Mark of the Web MotW protections. The software fails to propagate the Zone.Identifier alternate data stream—a mechanism...

CVE-2025-50328

CVE-2025-50328 affects B1 Free Archiver v1.5.86. The vulnerability occurs when files extracted from downloaded archives do not propagate the Zone.Identifier (MotW) ADS to extracted files, allowing them to bypass Windows Defender SmartScreen and security prompts. This can enable untrusted code exe...

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