Dell Client BIOS Arbitrary Write (DSA-2026-280)

medium Nessus Plugin ID 341114

Synopsis

The remote host has a BIOS that is affected by a vulnerability.

Description

Dell Client BIOS contains an Improper Link Resolution Before File Access ('Link Following') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Arbitrary Write.

Note that Nessus has not tested for this issue but has instead relied only on the BIOS version.

Solution

Update the BIOS per the vendor advisory.

See Also

http://www.nessus.org/u?9116c776

Plugin Details

Severity: Medium

ID: 341114

File Name: dell_bios_dsa-2026-280.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows

Published: 8/27/2026

Updated: 8/27/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.51

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:C/A:C

CVSS Score Source: CVE-2026-63693

CVSS v3

Risk Factor: Medium

Base Score: 6.6

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H

Vulnerability Information

CPE: cpe:/o:dell:bios

Required KB Items: BIOS/Version, BIOS/Vendor, BIOS/Model

Patch Publication Date: 8/24/2026

Vulnerability Publication Date: 8/24/2026

Reference Information

CVE: CVE-2026-63693