CVE-2022-4434: Lenovo Thinkpad x13s Firmware

Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days.

A buffer over-read vulnerability was reported in the ThinkPadX13s BIOS driver that could allow a local attacker with elevated privileges to cause information disclosure.

Affected products

• Lenovo Thinkpad x13s Firmware: before 1.47 (fixed in 1.47)

Published 2023-01-05. Last modified 2026-06-17.