CVE-2026-63693
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
CSIRTS triage
- What
- A local attacker can manipulate data in the BIOS.
- Who is affected
- Systems running affected Dell BIOS versions accessible to local attackers.
- Urgency
- Medium severity; local access required limits exposure but firmware vulnerabilities are difficult to remediate.
- Action
- Check Dell security advisories for BIOS updates addressing CVE-2026-63693 and apply if available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.10% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[NEW] [medium] Dell BIOS: Vulnerability allows Data Manipulationcert-bund · 2026-08-25
- mediumCVE-2026-63693: Dell Client BIOS contains an Improper Link Resolution Before File Access ('Link Following') vu…nvd · 2026-08-24
External references
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