CVE Catalog

CVE-2026-21104

MediumCVSS 6.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.10%

1th percentile - higher than 1% of all known CVEs

Summary

Heap-based buffer overflow in KnoxVault trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code.

Risk Assessment

A local attacker with privileged access could take control of the KnoxVault trustlet, potentially compromising data protected by KnoxVault.

Recommendation

Apply SMR Sep-2026 Release 1 to remediate the vulnerability.

Related vulnerabilities

Original NVD description (English source)

Heap-based buffer overflow in KnoxVault trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS