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Exploiting A Flaw In Bitmap Handling In Windows User-mode Printer Drivers.

https://www.zerodayinitiative.com/blog/2023/8/1/exploiting-a-flaw-in-bitmap-handling-in-windows-user-mode-printer-drivers
Zero Day Initiative Zero Day Initiative — Exploiting a Flaw in Bitmap Handling in Windows User-Mode Printer Drivers In this guest blog from researcher Marcin Wiązowski, he details CVE-2023-21822 – a Use-After-Free (UAF) in win32kfull that could lead to a privilege escalation. The bug was reported through the ZDI program and later patched by Microsoft. Marcin has…
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