CVE-2024-36343CWE-124

Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write…

Medium · published May 19, 2026

CVSS v4.0
4.6
EPSS
0%
Percentile
7.8
In the wild
Unconfirmed
What it is

Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity.

The record
Technical detail
CVSS v4.0
4.6 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00186 · 7.8th percentile
Weakness
CWE-124 · Buffer Underwrite ('Buffer Underflow')
Published
2026-05-19T21:03Z
EPSS history
Timeline
  • 19 MAY 21:03Z
    Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write…
    cvelistv5