CVE-2023-39283

—

CVSS 3.1

7.8 high

EPSS

<1%p9

Published

Nov 2, 2023 (Nov 2, 2023)

Modified

Jun 17, 2026

Description

An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation.

Vendors: insyde
Products: insydeh2o
Weakness: CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news0 stories

No ingested article mentions this CVE yet.