Missing Required Cryptographic Step in FeliCa IC chips - CVE-2026-59776
Published: July 23, 2026
Vulnerability identifier: #VU139215
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-59776
CWE-ID: CWE-325
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Sony Corporation
Affected software:
FeliCa IC chips
FeliCa IC chips
Detailed vulnerability description
The vulnerability allows a local attacker to compromsie the target system.
The vulnerability exists due to missing cryptographic step in Windows Secure Boot. An attacker with physical access can bypass a security feature on the system.
How to mitigate CVE-2026-59776
Install updates from vendor's website.