Fuji Electric Tellus pcid64 Driver Registry APIs Exposed Dangerous Method Local Privilege Escalation Vulnerability
June 24th, 2026
Vulnerability Details
This vulnerability allows local attackers to escalate privileges on affected installations of Fuji Electric Tellus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the pcid64 driver. The issue results from exposed dangerous functions. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
Additional Details
Fuji Electric has issued an update to correct this vulnerability. More details can be found at:
https://www.cisa.gov/news-events/ics-advisories/icsa-26-132-01
Disclosure Timeline
- 2025-09-10 - Vulnerability reported to vendor
- 2026-06-24 - Coordinated public release of advisory
- 2026-06-24 - Advisory Updated
Credit
김명규
