CVE-2025-29950CWE-1274

Improper input validation in system management mode (SMM) could allow a privileged attacker to overwrite stack memory leading to arbitrary code execution

High · published February 10, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
4.1
In the wild
Unconfirmed
What it is

Improper input validation in system management mode (SMM) could allow a privileged attacker to overwrite stack memory leading to arbitrary code execution.

The record
Technical detail
CVSS v4.0
7.1 · HIGH
Vector
CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00145 · 4.1th percentile
Weakness
CWE-1274 · Improper Access Control for Volatile Memory Containing Boot Code
Published
2026-02-10T19:10Z
EPSS history
Timeline
  • 10 FEB 19:10Z
    Improper input validation in system management mode (SMM) could allow a privileged attacker to overwrite stack memory leading to arbitrary code execution
    cvelistv5