CVE-2026-9805: falha de baixa gravidade em InsydeH2O
FMTSWriteUseIntelLib: FMTS SMM IHISI Buffer Overflow
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
8Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 2.7epss 0.1%
SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow.
CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L
Produtos afetados
Insyde Software · InsydeH2OCVEs relacionadas — InsydeH2O
No mesmo produto, das mais perigosas para as menos.
CVE-2025-4275HIGHSecureFlashDxe: Incorrect UEFI variable attributes check allows usage of invalid certificateEPSS 0.5%CVE-2026-6484HIGHLack of verified boot to certain FV may cause arbitrary code executionEPSS 0.4%CVE-2025-4421HIGHEfiSmiServices: gEfiSmmCpuProtocol, SMM memory corruption vulnerabilities in SMM moduleEPSS 0.2%CVE-2025-4422HIGHEfiSmiServices : EfiPcdProtocol, SMM memory corruption vulnerabilities in SMM moduleEPSS 0.2%CVE-2025-4426MEDIUMSetupAutomationSmm : SMRAM memory contents leak / information disclosure vulnerability in SMM moduleEPSS 0.2%CVE-2025-4425HIGHSetupAutomationSmm: Stack overflow vulnerability in SMI handlerEPSS 0.2%