CVE-2020-5955

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CVSS 3.1

9.8 critical

EPSS

1%p71

Published

Nov 3, 2021 (Nov 3, 2021)

Modified

Jun 17, 2026

Description

An issue was discovered in Int15MicrocodeSmm in Insyde InsydeH2O before 2021-10-14 on Intel client chipsets. A caller may be able to escalate privileges.

Vendors: insyde
Products: insydeh2o uefi bios
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.4%)

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