Local Privilege Escalation Vulnerability in Illumio VEN for Windows
CVE-2026-114031

7.8HIGH

Key Information:

Vendor

Illumio

Status
Core Ven
Vendor
CVE Published:
9 November 2026

What is CVE-2026-114031?

A security flaw in the Illumio VEN for Windows allows an attacker with NT AUTHORITY\LOCAL SERVICE privileges to escalate their access to SYSTEM level. This occurs due to incorrect permission assignments within the VEN installer, which grants undue access to VEN data and installation directories. The compromised configuration can be manipulated by an unauthorized user, enabling them to execute arbitrary commands with SYSTEM privileges. This vulnerability poses a significant risk as it can lead to unauthorized access to sensitive system resources.

Affected Version(s)

Core Ven Windows 26.2.30 < 26.2.30-S1

Core Ven Windows 26.2.12 < 26.2.12-S1

Core Ven Windows 25.2.41 < 25.2.41-S1

References

https://product-docs-repo.illumio.com/Tech-Docs/Security+...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.