CVE-2026-40638 — Dell PowerScale InsightIQ, versions 5.0.0 through 6.2.0,
CVE-2026-40638 — Dell PowerScale InsightIQ, versions 5.0.0 through 6.2.0, contains an execution with unnecessary privileges vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to elevation of privileges.
What This Means For You
- If your environment is affected by CWE-250, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-40638 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Privilege Escalation via Dell PowerScale InsightIQ Unnecessary Privileges — CVE-2026-40638
Sigma YAML — free preview
title: Privilege Escalation via Dell PowerScale InsightIQ Unnecessary Privileges — CVE-2026-40638
id: scw-2026-05-12-ai-1
status: experimental
level: high
description: |
Detects the execution of the InsightIQ CLI with administrative privileges, which is a potential indicator of exploitation for CVE-2026-40638. This vulnerability allows a local attacker with high privileges to escalate their privileges by exploiting unnecessary privileges within the InsightIQ application.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-40638/
tags:
- attack.privilege_escalation
- attack.t1068
logsource:
category: process_creation
detection:
selection:
Image|startswith:
- 'C:\Program Files\Dell\InsightIQ\server\python\bin\python.exe'
CommandLine|contains:
- 'insightiq-cli'
- 'admin'
- 'shell'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40638 | vulnerability | CVE-2026-40638 |
| CWE-250 | weakness | CWE-250 |
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 12, 2026 at 17:17 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
Believe this infringes your rights? Submit a takedown request.