CVE-2026-20293

highCVSS 7.1covered by 4 sourcesfirst seen 2026-09-08

Ein Angreifer kann eine Schwachstelle in Insyde UEFI Firmware und Cisco Unified Computing System (UCS) ausnutzen, um den UEFI-Secure-Boot zu umgehen, die Pre-Boot-Umgebung zu manipulieren und beliebigen Code auszuführen.

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Exploitation outlook

Low exploitation risk0.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.

Advisory coverage (4)

medium[UPDATE] [mittel] Insyde UEFI Firmware und Cisco UCS (UEFI Shell Secure Boot): Schwachstelle ermöglicht Umgehe…cert-bund · 2026-09-10
unknownVulnérabilité dans les produits Cisco (09 septembre 2026)cert-fr-avis · 2026-09-09
highCVE-2026-20293: A vulnerability in the Unified Extensible Firmware Interface (UEFI) Shell implementation of Ci…nvd · 2026-09-08
highCisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerabilitycisco-psirt · 2026-09-08

External references

NVD record for CVE-2026-20293

CVE.org record

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