CVE-2026-18448: falha de média gravidade em TianoCore EDK2
Leak SMM RAM from the kernel (Simply TSA after an SMI)
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 5.6epss 0.1%
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.
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
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