In the video below, the researcher demonstrates how he reverted the DSE patch via a downgrade attack and then exploited the component on a fully patched Windows 11 23H2 machine. Leviev also ...

Insecure guest auth blocking (SMB 3.0+ on Windows 10+) – Protects against MiTM attacks. Secure Dialect Negotiation (SMB 3.0, 3.02) – Protects against security downgrade attacks. Better message ...

A new report by the former SafeBreach researcher Alon Leviev is raising alarms about the risks posed by downgrade attacks on Microsoft Windows. In a blog post, Leviev, who now works for Microsoft, ...

By taking over the Windows Update process ... to block outdated system files and prevent downgrade attacks, however, the release date is not yet set, as protecting against these issues apparently ...

Microsoft has rolled out mitigations for recently disclosed downgrade attacks targeting the Windows Update process. Microsoft this month has released mitigations for a bug in the Windows Update ...

A new attack technique could be used to bypass Microsoft's Driver Signature Enforcement (DSE) on fully patched Windows systems, leading to operating system (OS) downgrade attacks. "This bypass allows ...

This is a background section of the original Windows Downdate publication, readers familiar with it can skip to the next section. Downgrade attacks—also known as version-rollback attacks—are a type of ...

At Black Hat USA 2024, SafeBreach Labs researcher Alon Leviev demonstrated a Windows downgrade attack, dubbed Windows Downdate. This attack allows bad actors to take over the Windows Update process, ...