Dell iSM Improper Access Control (Win<6.0.3.1, Linux<5.4.1.1) Escalation
CVE-2026-23856 Published on February 12, 2026

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.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-23856 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an Authorization Vulnerability?

The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVE-2026-23856 has been classified to as an Authorization vulnerability or weakness.


Affected Versions

Dell iDRAC Service Module: Dell iDRAC Service Module for Linux:

Exploit Probability

EPSS
0.01%
Percentile
2.20%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.