CVE-2022-26861

Dell BIOS versions contain an Insecure Automated Optimization vulnerability. A local...

7.9 High

Dell BIOS versions contain an Insecure Automated Optimization vulnerability. A local authenticated malicious user could exploit this vulnerability by sending malicious input via SMI to obtain arbitrary code execution during SMM.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.22%Down 2.3 points since Sep 7, 2022

What each source reports

CVE List Score used 7.9

Record: CVE-2022-26861
CVSS 3.1: 7.9 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Weakness: CWE-1038
Updated: 2026-11-02

EUVDEUVD-2022-31410 7.9

Record: EUVD-2022-31410
CVSS 3.1: 7.9 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-cp2w-v57g-8xxw 7.8

Dell BIOS versions contain an Insecure Automated Optimization vulnerability. A local...

Record: GHSA-cp2w-v57g-8xxw
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

NVD 7.9

Record: CVE-2022-26861
CVSS 3.1: 7.9 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/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-1038
Updated: 2026-11-02

Affected products

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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-2022-26861 is a high vulnerability (CVSS 7.9) 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 0.22%, the 13th percentile. No source names a fixed version.