Vulnerability · Published Jul 21, 2026 · Assigned by jpcert
CVE-2026-59776
Medium 6.8
In plain English
A medium-severity security flaw in FeliCa IC chips from Sony Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 3.0)6.8Medium
Exploit odds (30 days)0.2%top 93.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Missing Cryptographic Step (CWE-325) vulnerability exists in certain FeliCa IC chips shipped in or before 2017. If the vulnerability is exploited, information stored in the IC chip may be read or tampered with.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sony Corporation | FeliCa IC chips | shipped in or before 2017 |
Weakness: CWE-325 · Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H