Black & White Path
Apr 6, 2026 · Information Security
How a 2026 Windows Kernel Bug in afd.sys Escapes the Sandbox and Takes Over the System
The article dissects CVE‑2026‑21236 in the legacy afd.sys driver, showing how an integer‑overflow in AfdBind lets attackers obtain a raw device handle, bypass KASLR, manipulate kernel structures like EPROCESS and KTHREAD, and silently elevate a process to SYSTEM privileges.
CVE-2026-21236KASLR bypassVBS
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