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...

Mispadu Stealer’s New Variant Targets Browser Data of Mexican Users

By Waqas The new variant of Mispadu Stealer was discovered by Palo Alto's Unit 42 researchers while investigating the Windows Defender SmartScreen vulnerability. This is a post from HackRead.com Read the original post: Mispadu Stealers New Variant Targets Browser Data of Mexican Users...

CVE-2023-36025 Exploited for Defense Evasion in Phemedrone Stealer Campaign

This blog delves into the Phemedrone Stealer campaign's exploitation of CVE-2023-36025, the Windows Defender SmartScreen Bypass vulnerability, for its defense evasion and investigates the malware's payload...

Little Crumbs Can Lead To Giants

This week is the Virus Bulletin Conference in London. Part of the conference is the Cyber Threat Alliance summit, where CTA members like Rapid7 showcase their research into all kinds of cyber threats and techniques. Traditionally, when we investigate a campaign, the focus is mostly on the code of...

VulnCheck KEV: CVE-2023-32049

Microsoft Windows Defender SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the Open File - Security Warning prompt...

SUSE CVE-2018-5174

In the Windows 10 April 2018 Update, Windows Defender SmartScreen honors the "SEEMASKFLAGNOUI" flag associated with downloaded files and will not show any UI. Files that are unknown and potentially dangerous will be allowed to run because SmartScreen will not prompt the user for a decision, and i...

Mozilla Firefox ESR < 52.8 Multiple Vulnerabilities

Binary data 700337.prm...

Microsoft Windows: Windows Defender SmartScreen (Explorer)

This policy allows you to turn Windows Defender SmartScreen on or off. SmartScreen helps protect PCs by warning users before running potentially malicious programs downloaded from the Internet. This warning is presented as an interstitial dialog shown before running an app that has been downloade...

Microsoft Windows 10: Windows Defender SmartScreen prompts for sites (Edge)

This policy setting lets you decide whether employees can override the Windows Defender SmartScreen warnings about potentially malicious websites. If you enable this setting, employees can SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced source...

CVE-2018-5174

In the Windows 10 April 2018 Update, Windows Defender SmartScreen honors the "SEEMASKFLAGNOUI" flag associated with downloaded files and will not show any UI. Files that are unknown and potentially dangerous will be allowed to run because SmartScreen will not prompt the user for a decision, and i...

CVE-2018-5174

In the Windows 10 April 2018 Update, Windows Defender SmartScreen honors the "SEEMASKFLAGNOUI" flag associated with downloaded files and will not show any UI. Files that are unknown and potentially dangerous will be allowed to run because SmartScreen will not prompt the user for a decision, and i...

CVE-2018-5174

In the Windows 10 April 2018 Update, Windows Defender SmartScreen honors the "SEEMASKFLAGNOUI" flag associated with downloaded files and will not show any UI. Files that are unknown and potentially dangerous will be allowed to run because SmartScreen will not prompt the user for a decision, and i...