CVE-2026-54000
osquery: Heap buffer overflow in `getProcessCurrentDirectory()` via `processes` table (Windows)
CVSS Score
0.0
EPSS Score
0.1%
EPSS Percentile
1th
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.
| CWE | CWE-122 |
| Vendor | osquery |
| Product | osquery |
| Published | Jul 10, 2026 |
| Last Updated | Jul 14, 2026 |
Stay Ahead of the Next One
Get instant alerts for osquery osquery
Be the first to know when new unknown vulnerabilities affecting osquery osquery are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
osquery / osquery
< 5.23.1
References
github.com: https://github.com/osquery/osquery/security/advisories/GHSA-4r78-6hg6-33gg github.com: https://github.com/osquery/osquery/pull/8934 github.com: https://github.com/osquery/osquery/commit/3d457c412eb0c986b0c37d8903edae8bc9f9e246 github.com: https://github.com/osquery/osquery/releases/tag/5.23.1