CVE-2022-26858

Dell BIOS versions contain an Improper Authentication vulnerability. A locally authenticated...

6.1 Medium

Dell BIOS versions contain an Improper Authentication vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: Low
Availability: None

Exploit likelihood

0.17%Down 0.7 points since Sep 7, 2022

What each source reports

CVE List Score used 6.1

Record: CVE-2022-26858
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:N
Weakness: CWE-287
Updated: 2026-11-02

EUVDEUVD-2022-31407 6.1

Record: EUVD-2022-31407
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-r95r-f5pv-5rr9 7.8

Dell BIOS versions contain an Improper Authentication vulnerability. A locally authenticated...

Record: GHSA-r95r-f5pv-5rr9
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-287
Updated: 2026-11-02

NVD 6.1

Record: CVE-2022-26858
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:N
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-287
Updated: 2026-11-02

Affected products

Show 388 moreShow less

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-26858 is a medium vulnerability (CVSS 6.1) in Dell Alienware M15 R6 Firmware, published September 6, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. No source names a fixed version.