Description
EDK2 contains a vulnerability in BIOS
where a privileged attacker may cause “Exposure of Sensitive Information during
Transient Execution” by local access. Successful exploitation of
this vulnerability may result in disclosure of SMRAM contents. It could also impact Confidentiality.
Published: 2026-11-10
Score: 5.6 Medium
EPSS: n/a
KEV: No
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Remediation

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History

Tue, 10 Nov 2026 18:45:00 +0000

Type Values Removed Values Added
Description EDK2 contains a vulnerability in BIOS where a privileged attacker may cause “Exposure of Sensitive Information during Transient Execution” by local access. Successful exploitation of this vulnerability may result in disclosure of SMRAM contents. It could also impact Confidentiality.
Title Leak SMM RAM from the kernel (Simply TSA after an SMI)
Weaknesses CWE-1420
References
Metrics cvssV4_0

{'score': 5.6, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: TianoCore

Published:

Updated: 2026-11-10T18:39:53.329Z

Reserved: 2026-07-31T04:04:58.388Z

Link: CVE-2026-18448

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses