What’s Vulnerable › Vulnerabilities

CVE-2026-21104

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-09 · updated 2026-09-11
• Weakness: CWE-122

Description

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

Affected products

• Samsung Android: 15.0, 15.0-smr-apr-2025-r1, 15.0-smr-apr-2026-r1, 15.0-smr-aug-2025-r1, 15.0-smr-aug-2026-r1, 15.0-smr-dec-2025-r1 (+30)

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09

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