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.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| TianoCore | EDK2 | unaffected |
|
No data.
No data.
No data available yet.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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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
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Subscriptions
No data.
MITRE
Status: PUBLISHED
Assigner: TianoCore
Published:
Updated: 2026-11-10T18:39:53.329Z
Reserved: 2026-07-31T04:04:58.388Z
Link: CVE-2026-18448
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-11-10T19:21:15.707
Modified: 2026-11-10T19:21:15.707
Link: CVE-2026-18448
Redhat
No data.
OpenCVE Enrichment
No data.
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CWE-1420
Exposure of Sensitive Information during Transient Execution