CVE-2023-28075

Dell BIOS contain a Time-of-check Time-of-use vulnerability in BIOS. A local authenticated...

6.9 Medium

Dell BIOS contain a Time-of-check Time-of-use vulnerability in BIOS. A local authenticated malicious user with physical access to the system could potentially exploit this vulnerability by using a specifically timed DMA transaction during an SMI in order to gain arbitrary code execution on the system.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.19%Up 0.1 points since Aug 18, 2023

What each source reports

CVE List Score used 6.9

Record: CVE-2023-28075
CVSS 3.1: 6.9 MediumCVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-367
Updated: 2026-11-02

EUVDEUVD-2023-31800 6.9

Record: EUVD-2023-31800
CVSS 3.1: 6.9 MediumCVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4frm-gc48-jwjx 6.9

Dell BIOS contain a Time-of-check Time-of-use vulnerability in BIOS. A local authenticated...

Record: GHSA-4frm-gc48-jwjx
CVSS 3.1: 6.9 MediumCVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-367
Updated: 2026-11-02

NVD 6.9

Record: CVE-2023-28075
CVSS 3.1: 6.9 MediumCVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:P/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 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

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

In short

CVE-2023-28075 is a medium vulnerability (CVSS 6.9) in Dell Alienware M15 R7 Firmware, published August 16, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.