There was a weird bug in the DotNet Core Toolset installer that allowed any local user to elevate their privileges to SYSTEM. In this blog post, I want to share the details of this bug that was sil...

Here is my writeup about CVE-2020-1170, an elevation of privilege bug in Windows Defender. Finding a vulnerability in a security-oriented product is quite satisfying. Though, there was nothing grou...

This is a kind of follow-up to my last post, in which I discussed a technique that can be used for elevating privileges to SYSTEM when you have impersonation capabilities. In the last part, I expla...

Over the last few years, tools such as RottenPotato, RottenPotatoNG or Juicy Potato have made the exploitation of impersonation privileges on Windows very popular among the offensive security commu...

Whenever a “new” DLL hijacking / planting trick is posted on Twitter, it generates a lot of comments. “It’s not a vulnerability!” or “There is a lot of hijackable DLLs on Windows…” are the most com...

What if I told you that all editions of Windows Server, from 2008R2 to 2019, are prone to a DLL Hijacking in the %PATH% directories? What if I also told you that the impacted service runs as NT AUT...

Although this vulnerability doesn’t directly result in a full elevation of privileges with code execution as NT AUTHORITY\SYSTEM, it is still quite interesting because of the exploitation “tricks” ...

This post is about an arbitrary file move vulnerability I found in the Background Intelligent Transfer Service. This is yet another example of a privileged file operation abuse in Windows 10. There...

In this post, I’ll discuss an arbitrary file move vulnerability I found in Windows Service Tracing. From my testing, it affected all versions of Windows from Vista to 10 but it’s probably even olde...

A DLL hijacking “vulnerability” in the CDPSvc service was reported to Microsoft at least two times this year. As per their policy though, DLL planting issues that fall into the category of PATH dir...