Steam Code Execution – Privilege Escalation to SYSTEM (Part 2)

In my previous post I talked about a vulnerability in Steam which allows you to bypass UAC. I’m going to be totally transparent here: I fucked up. I wrote the draft post a few days back, then did some more work on the vulnerability. I discovered something much more serious in the process. I posted last night’s blog post at 1am, tired as hell, and in my sleep-deprived state I completely neglected to update it properly, and there are several mistakes and bits of missing information. The draft went out and confused a lot of people. So, for that, I apologise. I’m going to leave it there so people can see it, because it’ll remind me not to do that next time.
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