# CVE-2026-3503

## Summary

- **CVE ID:** CVE-2026-3503
- **Severity:** MEDIUM
- **CVSS Score:** 4.3 (CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N/U:Amber)
- **CWE:** CWE-335
- **Published:** Mar 19, 2026
- **Last Modified:** Mar 19, 2026

## Description

Protection mechanism failure in wolfCrypt post-quantum implementations (ML-KEM and ML-DSA) in wolfSSL on ARM Cortex-M microcontrollers allows a physical attacker to compromise key material and/or cryptographic outcomes via induced transient faults that corrupt or redirect seed/pointer values during Keccak-based expansion.




This issue affects wolfSSL (wolfCrypt): commit hash d86575c766e6e67ef93545fa69c04d6eb49400c6.

## Affected Products

- wolfSSL Inc. — wolfSSL (wolfCrypt) (5.8.2)

## References

- [CNA](https://github.com/wolfSSL/wolfssl/pull/9734)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.15%
- **EPSS Percentile:** 4.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._