Dell iDRAC Service Module (iSM) for Windows, versions prior to 6.0.3.1, and Dell iDRAC Service Module (iSM) for Linux, versions prior to 5.4.1.1, contain an Improper Access Control vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.
Conclusion & alert: CVE-2026-23856 is rated Low Risk (31.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.01%).Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2026-23856
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).