CVE-2026-33197

HIGHPre-NVD 8.78.7—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 98% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
8.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.7Exploit: None knownExposed: 0

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

AMI APTIOV contains a vulnerability in BIOS where a privileged user may cause the “Incomplete List of Disallowed Inputs” by local access. Successful exploitation of this vulnerability may lead to arbitrary code execution and impact system Confidentiality, Integrity, and Availability.

CVSS v3
8.7
EG Score
8.7(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity87% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 8, 2026

References (1)

Vendor Advisories for CVE-2026-33197(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 30× in last 7d / 47× 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 06:24 UTCEG score recompute
  2. 2026-09-19 06:24 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 19:03 UTCGHSA enrichment
  6. 2026-09-18 07:41 UTCGHSA enrichment
  7. 2026-09-17 20:19 UTCEG score recompute
  8. 2026-09-17 20:19 UTCGHSA enrichment
  9. 2026-09-17 19:30 UTCEPSS rescore
  10. 2026-09-17 05:43 UTCGHSA enrichment
  11. 2026-09-16 18:18 UTCEG score recompute
  12. 2026-09-16 18:18 UTCGHSA enrichment
  13. 2026-09-16 14:08 UTCEPSS rescore
  14. 2026-09-16 06:42 UTCEG score recompute
  15. 2026-09-16 06:42 UTCGHSA enrichment
  16. 2026-09-16 05:15 UTCEPSS rescore
  17. 2026-09-15 19:21 UTCGHSA enrichment
  18. 2026-09-15 07:59 UTCEG score recompute
  19. 2026-09-15 07:59 UTCGHSA enrichment
  20. 2026-09-15 03:11 UTCEPSS rescore
  21. 2026-09-14 20:37 UTCGHSA enrichment
  22. 2026-09-14 09:15 UTCGHSA enrichment
  23. 2026-09-13 21:53 UTCEG score recompute
  24. 2026-09-13 21:53 UTCGHSA enrichment
  25. 2026-09-13 16:47 UTCEPSS rescore
Show 22 more
  1. 2026-09-13 10:30 UTCGHSA enrichment
  2. 2026-09-12 23:08 UTCEG score recompute
  3. 2026-09-12 23:08 UTCGHSA enrichment
  4. 2026-09-12 15:01 UTCEPSS rescore
  5. 2026-09-12 11:46 UTCGHSA enrichment
  6. 2026-09-12 00:24 UTCEG score recompute
  7. 2026-09-12 00:24 UTCGHSA enrichment
  8. 2026-09-11 14:52 UTCEPSS rescore
  9. 2026-09-11 13:02 UTCEG score recompute
  10. 2026-09-11 13:02 UTCGHSA enrichment
  11. 2026-09-11 01:40 UTCGHSA enrichment
  12. 2026-09-10 14:18 UTCEG score recompute
  13. 2026-09-10 14:18 UTCGHSA enrichment
  14. 2026-09-10 09:34 UTCEPSS rescore
  15. 2026-09-10 02:56 UTCGHSA enrichment
  16. 2026-09-09 15:34 UTCGHSA enrichment
  17. 2026-09-09 04:12 UTCGHSA enrichment
  18. 2026-09-08 16:44 UTCGHSA enrichment
  19. 2026-09-08 15:35 UTCEG score recompute
  20. 2026-09-08 15:35 UTCGHSA enrichment
  21. 2026-09-08 14:21 UTCEG score recompute
  22. 2026-09-08 14:19 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-33197?
CVE-2026-33197 is a high vulnerability published on September 8, 2026. AMI APTIOV contains a vulnerability in BIOS where a privileged user may cause the “Incomplete List of Disallowed Inputs” by local access. Successful exploitation of this vulnerability may lead to arbitrary code execution and impact system Confidentiality, Integrity, and Availability.
When was CVE-2026-33197 disclosed?
CVE-2026-33197 was first published in the National Vulnerability Database on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-33197 actively exploited?
CVE-2026-33197 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 97.7% of all scored CVEs.
What is the CVSS score of CVE-2026-33197?
CVE-2026-33197 has a CVSS v3 base score of 8.7 (NVD).
How do I remediate CVE-2026-33197?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-33197, 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-2026-33197

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