Altair Grid Engine <2026.0.0: Path Hijack via ENV Var in Shared Lib Loading
CVE-2025-40763 Published on November 11, 2025
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.
Weakness Type
What is a DLL preloading Vulnerability?
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.
CVE-2025-40763 has been classified to as a DLL preloading vulnerability or weakness.
Products Associated with CVE-2025-40763
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Affected Versions
Siemens Altair Grid Engine:- Before V2026.0.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.