CVE-2026-21121
Improper handling of insufficient permission in CmcCore prior to SMR Oct-2026 Release 1 allows local attackers to use the privileged APIs.
Published Oct 12, 2026 · updated Oct 14, 2026
Improper handling of insufficient permission in CmcCore prior to SMR Oct-2026 Release 1 allows local attackers to use the privileged APIs.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 12, 2026 · NIST NVD
Detected
Improper handling of insufficient permission in CmcCore prior to SMR Oct-2026 Release 1 allows local attackers to use the privileged APIs.
Oct 14, 2026 · NIST NVD
Updated
Improper handling of insufficient permission in CmcCore prior to SMR Oct-2026 Release 1 allows local attackers to use the privileged APIs.
Sources
- CVE.orgVulnerability recordCVE-2026-21121
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-21121
30-day exploitation probability 0.2%
first.org - NIST NVDVulnerability recordCVE-2026-21121
Improper handling of insufficient permission in CmcCore prior to SMR Oct-2026 Release 1 allows local attackers to use the privileged APIs.
nvd.nist.gov