Handling credit card data on systems with unpatched software like Java 7 violates Payment Card Industry standards.

Industrial or medical equipment where the firmware is locked to a specific Java runtime. How to Mitigate Risks

Java 7u80 lacks support for modern encryption standards. It does not natively support TLS 1.3 and has limited, often buggy support for TLS 1.2. This makes connections made via Java 7 vulnerable to "Man-in-the-Middle" (MITM) attacks and data interception. Notable CVEs Affecting Java 7

Java 7 Update 80 (often abbreviated as ) is a historically significant release. Released in April 2015, it was the final public release of the Java 7 family before Oracle ended public support for the version.

: Patches were implemented to mitigate arbitrary memory read/write vulnerabilities that could otherwise allow remote code execution through malicious applets. CISA (.gov) Known Risks of Staying on Update 80