CVE-2026-59776
For certain FeliCa IC chips shipped by Sony Corporation in or before 2017, a certain operation during cryptographic processing may compromise the intended security strength.
CSIRTS triage
- What
- Certain FeliCa IC chips may compromise the intended security strength during cryptographic processing.
- Who is affected
- Users of FeliCa IC chips shipped by Sony Corporation in or before 2017.
- Urgency
- Remediation is important due to potential security implications, though exploitation status is unclear.
- Action
- Review and assess the security of affected FeliCa IC chips.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Advisory coverage (2)
- mediumCVE-2026-59776: Missing Cryptographic Step (CWE-325) vulnerability exists in certain FeliCa IC chips shipped i…nvd · 2026-07-21
- unknownVulnerability in certain IC chips of contactless IC card "FeliCa"jvn · 2026-07-21
External references
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