CVE-2025-40763: Siemens Altair Grid Engine

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

A vulnerability has been identified in Altair Grid Engine (All versions < V2026.0.0). Affected products do not properly validate environment variables when loading shared libraries, allowing path hijacking through malicious library substitution. This could allow a local attacker to execute arbitrary code with superuser privileges by manipulating the environment variable and placing a malicious library in the controlled path.

Affected products

• Siemens Altair Grid Engine: before V2026.0.0 (fixed in V2026.0.0)

Published 2025-11-11. Last modified 2026-06-17.