CVE-2026-16911
8.8 · HIGHOverview
CVE-2026-16911 is a high-severity vulnerability affecting ibm vios. It was published on August 19, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote authenticated attacker to execute arbitrary code due to a stack buffer overflow.
Remediation
Check the references section for vendor advisories and patches from ibm. Update vios to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ibm | vios | >= 4.1.0, < 4.1.0.50 | Affected |
| ibm | aix | 7.2.5 | Affected |
References
Frequently Asked Questions
What is CVE-2026-16911?
CVE-2026-16911 is a high-severity vulnerability affecting ibm vios. It was published on August 19, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-16911?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-16911?
Check the references section for vendor advisories and patches from ibm. Update vios to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-16911?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-16911 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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