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
CVE-2026-63693
MEDIUMPre-NVD 6.66.6—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 6.6 from GitHub Security Advisory published 2026-08-24. a secondary CVSS source baseline 6.6; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.6Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.6
- EG Score
- 6.6(high)
- EG Risk
- 34(Track)EG Risk 34/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity66% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 1%
- KEV
- Not listed
Published
August 24, 2026
Last Modified
August 24, 2026
Advisory Details (1)
Auto-updated Aug 24, 2026No patch confirmed yet.
generic
DSA-2026-280: Security Update for Dell Client Platform BIOS for an Improper Link Resolution Before File Access ('Link Following') Vulnerability | Dell US
https://www.dell.com/support/kbdoc/en-us/000501826/dsa-2026-280-security-update-for-dell-client-platform-bios-for-an-improper-link-resolution-before-file-access-link-following-vulnerabilityVendor Advisories for CVE-2026-63693(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 6× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-25 21:40 UTCEG score recompute
- 2026-08-25 21:40 UTCGHSA enrichment
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-24 20:25 UTCEG score recompute
- 2026-08-24 19:51 UTCEG score recompute
- 2026-08-24 19:51 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2026-63693?
CVE-2026-63693 is a medium vulnerability published on August 24, 2026. 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
When was CVE-2026-63693 disclosed?
CVE-2026-63693 was first published in the National Vulnerability Database on August 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63693 actively exploited?
CVE-2026-63693 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 99.0% of all scored CVEs.
What is the CVSS score of CVE-2026-63693?
CVE-2026-63693 has a CVSS v3 base score of 6.6 (NVD).
How do I remediate CVE-2026-63693?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63693, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-63693
Is Your Infrastructure Affected by CVE-2026-63693?
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