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CVE-2026-54001

osquery: Heap buffer overflow via `authenticode` 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 authenticode table targeting a maliciously crafted binary, due to publisher information parsing in getOriginalProgramName. If exploited successfully, this could allow a potential local privilege escalation from standard user to SYSTEM. This issue is fixed in version 5.23.1.

CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Vendors
Osquery
Products
Osquery
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 unchecked PEB string lengths in process command-line and current-directory reads. If exploited successfully, this could allow a potential local privilege escalation from standard user to SYSTEM. This issue is fixed in version 5.23.1.

CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Vendors
Osquery
Products
Osquery
CVE-2026-46388

osquery: Unprivileged users can temporarily read file carve contents

osquery is a SQL powered operating system instrumentation, monitoring, and analytics framework. Prior to 5.23.1, an unprivileged attacker can read the contents of an osquery file carve until the carve completes and the temporary files are deleted because in-progress carve directories are not created with private permissions. If the carve targets a directory that the attacker controls, arbitrary file reads are possible, such as sensitive local files. This issue is fixed in version 5.23.1.

CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Vendors
Osquery
Products
Osquery