CVE-2026-54000 osquery: Heap buffer overflow in `getProcessCurrentDirectory()` via `processes` table (Windows)

osquery is a SQL powered operating system instrumentation, monitoring, and analytics framework. Prior to 5.23.1, on Windows, a local unprivileged attacker can cause a heap buffer out-of-bounds write if there is a query of the processes table targeting a maliciously crafted process, due to uncheck...

CVE-2026-54000

CVE-2026-54000 in osquery (Windows) describes a heap buffer out-of-bounds write in getProcessCurrentDirectory() triggered via the processes table by a maliciously crafted process. The unchecked PEB string lengths in process command-line and current-directory reads allow a local attacker with low ...

CVE-2026-54000 osquery: Heap buffer overflow in `getProcessCurrentDirectory()` via `processes` table (Windows)

osquery is a SQL powered operating system instrumentation, monitoring, and analytics framework. Prior to 5.23.1, on Windows, a local unprivileged attacker can cause a heap buffer out-of-bounds write if there is a query of the processes table targeting a maliciously crafted process, due to uncheck...