Unrated severityNVD Advisory· Published Jan 16, 2026· Updated Jan 16, 2026
AVEVA Process Optimization Code Injection
CVE-2025-64691
Description
The vulnerability, if exploited, could allow an authenticated miscreant (OS standard user) to tamper with TCL Macro scripts and escalate privileges to OS system, potentially resulting in complete compromise of the model application server.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- AVEVA/Process Optimizationv5Range: 0
Patches
Vulnerability mechanics
References
4- github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-015-01.jsonmitre
- softwaresupportsp.aveva.com/en-US/downloads/products/details/a643eaa3-0d85-4fde-ac11-5239e87a68eamitre
- www.aveva.com/en/support-and-success/cyber-security-updates/mitre
- www.cisa.gov/news-events/ics-advisories/icsa-26-015-01mitre
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