CVE-2025-64691

8.8 HIGH

Published: January 16, 2026 Modified: January 22, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-015-01.json

Source: ics-cert@hq.dhs.gov

Third Party Advisory

https://softwaresupportsp.aveva.com/en-US/downloads/products/details/a643eaa3-0d85-4fde-ac11-5239e87a68ea

Source: ics-cert@hq.dhs.gov

Permissions Required

https://www.aveva.com/en/support-and-success/cyber-security-updates/

Source: ics-cert@hq.dhs.gov

Vendor Advisory

https://www.cisa.gov/news-events/ics-advisories/icsa-26-015-01

Source: ics-cert@hq.dhs.gov

Third Party Advisory US Government Resource

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.8 / 10.0

EPSS (Exploit Probability)

0.0%

1th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-94

Affected Vendors

aveva

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