What is CVE-2026-21012?

CVE-2026-21012 is a low-severity vulnerability in Samsung Android, classified under CWE-73: EXTERNAL CONTROL OF FILE NAME OR PATH. CVSS score: 3.3/10. Published 2026-04-13.

How severe is CVE-2026-21012?

Low severity. CVSS v3 base score is 3.3 out of 10.

Is CVE-2026-21012 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Samsung Android

CVE-2026-21012

External control of file name in AODManager prior to SMR Apr-2026 Release 1 allows privileged local attacker to create file with system privilege.

EPSS: 0.001 (0.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Samsung Android — versions 14.0, 15.0, 16.0
Samsung Mobile Devices — versions SMR Apr-2026 Release in Android 14, 15, 16

Public proof-of-concept exploits

George0Papasotiriou/CVE-2026-21012-Rust-serde-Deserialization-of-Untrusted-Enum-Variant-Injection-

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-21012?: CVE-2026-21012 is a low-severity vulnerability in Samsung Android, classified under CWE-73: EXTERNAL CONTROL OF FILE NAME OR PATH. CVSS score: 3.3/10. Published 2026-04-13.
How severe is CVE-2026-21012?: Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2026-21012 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.