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.
Published: 2026-10-21
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: Incorrect Permission Assignment leading to potential unauthorized privilege escalation
Action: Patch Now
AI Analysis

Impact

The vulnerability involves incorrect permission assignments classified under CWE-732. This flaw allows an attacker to gain unauthorized access or elevate privileges, potentially enabling execution of actions that the system is not meant to allow. The impact is a breach of integrity and confidentiality for the affected systems.

Affected Systems

Cisco TelePresence Video Communication Server (VCS) Expressway is affected. No specific version range is listed, so all instances of this product should be reviewed for the presence of the hardening release.

Risk and Exploitability

The CVSS score of 7.8 indicates a high severity. The EPSS score is not available, so the likelihood of exploitation cannot be quantified. The vulnerability is not listed in CISA’s KEV catalog. The attack vector is not explicitly described; it is inferred that exploitation may involve manipulation of configuration files or privileged interfaces that rely on permission settings.

Generated by OpenCVE AI on October 22, 2026 at 04:55 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Download and apply the October 2026 hardening release that contains the fix for incorrect permission assignments.
  • Implement role-based access controls following the hardening guidelines to enforce appropriate permissions on all interfaces and configuration files.
  • Review any custom permission configurations to ensure they comply with the updated hardening guidelines and remove any unnecessary privileges.

Generated by OpenCVE AI on October 22, 2026 at 04:55 UTC.

Tracking

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Advisories

No advisories yet.

History

Sat, 07 Nov 2026 18:30:00 +0000


Thu, 22 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 22 Oct 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco expressway Series
Vendors & Products Cisco
Cisco expressway Series

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
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. &nbsp; 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.
Title Cisco Expressway Series Software Hardening Release: October 2026 - Incorrect Permission Assignment Vulnerabilities
Weaknesses CWE-732
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Cisco Expressway Series
cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-11-07T17:29:43.933Z

Reserved: 2026-08-19T12:02:03.640Z

Link: CVE-2026-76495

cve-icon Vulnrichment

Updated: 2026-11-07T17:29:43.933Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-21T17:19:09.037

Modified: 2026-11-07T18:17:28.667

Link: CVE-2026-76495

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T10:40:58Z

Weaknesses
  • CWE-732

    Incorrect Permission Assignment for Critical Resource