SB2026072348 - Missing Required Cryptographic Step in Sony FeliCa IC chips
Published: July 23, 2026
Security Bulletin ID
SB2026072348
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Required Cryptographic Step (CVE-ID: CVE-2026-59776)
CWE-ID: CWE-325 - Missing Required Cryptographic Step
CVSSv4: 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
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.
Remediation
Install update from vendor's website.