HOMEVULNERABILITIESCVE-2026-23856
HIGH

CVE-2026-23856

CWE-284Published: February 12, 2026· Updated: Feb 12, 2026

7.8
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:2.1th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-23856 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Mentioned vendors (from description):
LinuxDell
CPE data not yet available in NVD for this CVE.

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (1)

Quick Facts

CVE IDCVE-2026-23856
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-284
CISA KEVNo
EPSS (30d)0.01%
PublishedFeb 12, 2026

Related CVEs (CWE-284)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-23856 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.