CVE-2022-26859

Dell BIOS contains a race condition vulnerability. A local attacker could exploit this...

6.1 Medium

Dell BIOS contains a race condition vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI in order to bypass security checks during SMM.

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: Low
Integrity: High
Availability: None

Exploit likelihood

0.14%Down 0.8 points since Sep 7, 2022

What each source reports

CVE List Score used 6.1

Dell BIOS contains a race condition vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI in order to bypass security checks during SMM.

Record: CVE-2022-26859
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:N
Weakness: CWE-367
Updated: 2026-11-02

EUVDEUVD-2022-31408 6.1

Dell BIOS contains a race condition vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI in order to bypass security checks during SMM.

Record: EUVD-2022-31408
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-m639-pxcj-g467 7.0

Dell BIOS contains a race condition vulnerability. A local attacker could exploit this...

Dell BIOS contains a race condition vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI in order to bypass security checks during SMM.

Record: GHSA-m639-pxcj-g467
CVSS 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-367
Updated: 2026-11-02

NVD 6.1

Dell BIOS contains a race condition vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI in order to bypass security checks during SMM.

Record: CVE-2022-26859
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:N
CVSS 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-367
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-2022-26859 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 0.14%, the 2nd percentile. No source names a fixed version.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

History

In short

References