CVE-2026-63427

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-10. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An authentication bypass vulnerability was discovered in Lenovo Software Fix that could allow a local authenticated user to perform arbitrary code execution with elevated privileges.

CVSS v3
7.8
EG Score
7.8(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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 computed
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

September 10, 2026

Last Modified

September 15, 2026

References (2)

Vendor Advisories for CVE-2026-63427(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 24× in last 7d / 37× 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.

  1. 2026-09-19 22:13 UTCEG score recompute
  2. 2026-09-19 22:13 UTCGHSA enrichment
  3. 2026-09-19 09:46 UTCGHSA enrichment
  4. 2026-09-18 21:19 UTCGHSA enrichment
  5. 2026-09-18 08:13 UTCGHSA enrichment
  6. 2026-09-17 19:46 UTCEG score recompute
  7. 2026-09-17 19:46 UTCGHSA enrichment
  8. 2026-09-17 06:43 UTCGHSA enrichment
  9. 2026-09-16 18:08 UTCEG score recompute
  10. 2026-09-16 18:08 UTCGHSA enrichment
  11. 2026-09-16 14:08 UTCEPSS rescore
  12. 2026-09-16 05:20 UTCEG score recompute
  13. 2026-09-16 05:20 UTCGHSA enrichment
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 16:53 UTCGHSA enrichment
  16. 2026-09-15 04:25 UTCEG score recompute
  17. 2026-09-15 04:25 UTCGHSA enrichment
  18. 2026-09-15 04:04 UTCEG score recompute
  19. 2026-09-15 04:04 UTCGHSA enrichment
  20. 2026-09-14 18:15 UTCGHSA enrichment
  21. 2026-09-14 05:47 UTCGHSA enrichment
  22. 2026-09-13 17:19 UTCEG score recompute
  23. 2026-09-13 17:19 UTCGHSA enrichment
  24. 2026-09-13 04:51 UTCGHSA enrichment
  25. 2026-09-12 16:24 UTCGHSA enrichment
Show 12 more
  1. 2026-09-12 03:57 UTCGHSA enrichment
  2. 2026-09-11 15:30 UTCEG score recompute
  3. 2026-09-11 15:30 UTCGHSA enrichment
  4. 2026-09-11 14:59 UTCEG score recompute
  5. 2026-09-11 14:59 UTCGHSA enrichment
  6. 2026-09-11 14:53 UTCEPSS rescore
  7. 2026-09-11 10:10 UTCGHSA enrichment
  8. 2026-09-10 21:39 UTCEG score recompute
  9. 2026-09-10 21:39 UTCGHSA enrichment
  10. 2026-09-10 21:19 UTCEG score recompute
  11. 2026-09-10 21:05 UTCEG score recompute
  12. 2026-09-10 21:05 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-63427?
CVE-2026-63427 is a high vulnerability published on September 10, 2026. An authentication bypass vulnerability was discovered in Lenovo Software Fix that could allow a local authenticated user to perform arbitrary code execution with elevated privileges.
When was CVE-2026-63427 disclosed?
CVE-2026-63427 was first published in the National Vulnerability Database on September 10, 2026, with the most recent update on September 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63427 actively exploited?
CVE-2026-63427 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 96.5% of all scored CVEs.
What is the CVSS score of CVE-2026-63427?
CVE-2026-63427 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-63427?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63427, 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

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