CVE-2022-26861

HIGHPre-NVD 7.97.8▼

7.9

Dell BIOS versions contain an Insecure Automated Optimization vulnerability. A local authenticated malicious user could exploit this vulnerability by sending malicious input via SMI to obtain arbitrary code execution during SMM.

CVSS v3: 7.9
EG Score: 7.8(medium)
EPSS: 13.7%
KEV: Not listed

Published

September 6, 2022

Last Modified

May 27, 2026

References (1)

linkhttps://www.dell.com/support/kbdoc/000202194

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1038

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 15:56 UTCEG score recompute
2026-05-25 15:56 UTCGHSA enrichment
2026-05-24 17:42 UTCOSV refresh

Frequently asked(5)

What is CVE-2022-26861?

CVE-2022-26861 is a high vulnerability published on September 6, 2022. Dell BIOS versions contain an Insecure Automated Optimization vulnerability. A local authenticated malicious user could exploit this vulnerability by sending malicious input via SMI to obtain arbitrary code execution during SMM.

When was CVE-2022-26861 disclosed?

CVE-2022-26861 was first published in the National Vulnerability Database on September 6, 2022, with the most recent update on May 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-26861 actively exploited?

CVE-2022-26861 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-26861?

CVE-2022-26861 has a CVSS v3 base score of 7.9 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.8.

How do I remediate CVE-2022-26861?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-26861, 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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CVE-2022-26861

📅 Published

🔄 Last Modified

🔗 References (1)