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CVE-2026-76495: Cisco Expressway Series Software Hardening Release: October 2026 - Incorrect Permission Assignment Vulnerabilities

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-21 · updated 2026-10-22
• Weakness: CWE-732

Description

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-2026-76495 are related to issues concerning incorrect permission assignments that are grouped under the Common Weakness Enumeration (CWE) Variant CWE-732.

Affected products

• Cisco TelePresence Video Communication Server (VCS) Expressway: X8.11.2, X8.6, X8.11.3, X8.2.2, X8.8.3, X8.11.0 (+88)

In the news

• Cisco Expressway Series Security Hardening Release: October 2026

References

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-exwy-hardening-FhcqBVcs

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