CVE-2025-50328

HIGH

7.3

Descripcion

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 data stream to the extracted files. As a result, these files can be executed without triggering Windows Defender SmartScreen warnings or security prompts, enabling untrusted code execution without standard security restrictions.

Detalles CVE

Puntuacion CVSS v3.17.3

SeveridadHIGH

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado4/29/2026

Ultima modificacion4/30/2026

Fuentenvd

Avistamientos honeypot0

Debilidades (CWE)

CWE-290

Referencias

https://b1.org/(cve@mitre.org)

https://github.com/math69b/B1FREE/blob/main/B1%20Free%20Archiver%20version(cve@mitre.org)

https://github.com/math69b/B1FREE/blob/main/B1%20Free%20Archiver%20version(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.