CVE-2023-39281

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CVSS 3.1

9.8 critical

EPSS

<1%p40

Published

Nov 1, 2023 (Nov 1, 2023)

Modified

Jun 17, 2026

Description

A stack buffer overflow vulnerability discovered in AsfSecureBootDxe in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to run arbitrary code execution during the DXE phase.

Vendors: insyde
Products: insydeh2o
Weakness: CWE-787, CWE-121
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 (0.5%)

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