CVE-2026-76497: Cisco Expressway Series Software Hardening Release: October 2026 - Insecure Temporary File Vulnerabilities
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Expressway Series software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76497 are related to issues concerning insecure temporary files that are grouped under the Common Weakness Enumeration (CWE) Base CWE-377.
Affected Software
Event History
Frequently Asked Questions
What level of access and interaction are required to exploit this issue?
The vector indicates local access, low attack complexity, low privileges, and user interaction are required. The available data does not describe the specific interaction or local access path.
What could a successful exploit affect?
The supplied severity vector indicates no confidentiality impact, with high integrity and availability impact. The description identifies insecure temporary file issues under CWE-377 but does not provide further exploit details.