CVE-2026-21021

Improper input validation in Routines prior to SMR May-2026 Release 1 allows physical attackers to launch privileged activity

Medium · published May 13, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
10.9
In the wild
Unconfirmed
What it is

Improper input validation in Routines prior to SMR May-2026 Release 1 allows physical attackers to launch privileged activity.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00211 · 10.9th percentile
Published
2026-05-13T04:56Z
EPSS history
Timeline
  • 13 MAY 04:56Z
    Improper input validation in Routines prior to SMR May-2026 Release 1 allows physical attackers to launch privileged activity
    cvelistv5