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CVE-2026-59776

HIGH
7
CVSS Score
Published: July 21, 2026 at 03:06 AM UTC
Updated: October 24, 2026 at 08:10 PM UTC
1 product affected across 1 vendorFeliCa IC Chips

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Severity
HIGH7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FeliCa IC Chips· Sony
90%
shipped in or before 2017
Affected range stops below 2017, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://www.sony.co.jp/en/Products/felica/business/information/2025001.html
Source: cverecord
https://jvn.jp/en/jp/JVN40509781/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7HIGHjpcert
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-325

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