CVE-2026-21121CWE-280

CVE-2026-21121

published October 12, 2026

CVSS
6.9
EPSS
0%
Percentile
3.9
In the wild
Unconfirmed
What it is

Improper handling of insufficient permission in CmcCore prior to SMR Oct-2026 Release 1 allows local attackers to use the privileged APIs.

The record
Technical detail
CVSS
6.9 · NONE
CVSS v4.0
6.9 · CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00151 · 3.9th percentile
Weakness
CWE-280 · Improper Handling of Insufficient Permissions or Privileges
Published
2026-10-12T09:17Z
References (1)
EPSS history
Timeline
  • 13 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 12 OCT 04:57Z
    Improper handling of insufficient permission in CmcCore prior to SMR Oct-2026 Release 1 allows local attackers to use the privileged APIs
    cvelistv5
  • 12 OCT 04:57Z
    Improper handling of insufficient permission in CmcCore prior to SMR Oct-2026 Release 1 allows local attackers to use the privileged APIs
    cvelistv5