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Vulnerabilities

Vulnerability · CVE-2026-76496

Cisco Expressway Series Software Hardening Release: October 2026 - Improper Link Resolution Vulnerabilities

Published Oct 21, 2026 · catalog updated Oct 22, 2026 · Cisco Cisco TelePresence Video Communication Server (VCS) Expressway

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-76496. EPSS is 0.16%. Act only if a listed version of Cisco Cisco TelePresence Video Communication Server (VCS) Expressway is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.16%
Remediation
Advisory link
Affected products
vendor Cisco Cisco TelePresence Video Communication Server (VCS) Expressway

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-2026-76496 are related to issues concerning improper link resolutions that are grouped under the Common Weakness Enumeration (CWE) Base CWE-59.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Cisco Cisco TelePresence Video Communication Server (VCS) Expresswayversion unspecified

How to fix CVE-2026-76496

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-76496. EPSS is 0.16%. Act only if a listed version of Cisco Cisco TelePresence Video Communication Server (VCS) Expressway is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-59: Link Following. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Cisco security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 21, 2026 · NIST NVD

    Detected

    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-2026-76496 are related to issues concerning improper link res

  2. Oct 22, 2026 · NIST NVD

    Updated

    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-2026-76496 are related to issues concerning improper link res

Sources

  • Cisco Security AdvisoriesVendor advisoryCVE-2026-76496

    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 a software hardening release that addresses multiple interna

    sec.cloudapps.cisco.com
  • CVE.orgVulnerability recordCVE-2026-76496

    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 disc

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-76496

    30-day exploitation probability 0.16%

    first.org
  • NIST NVDVulnerability recordCVE-2026-76496

    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 disc

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Cisco Security AdvisoriesNov 5, 2026
  • FIRST EPSSOct 28, 2026
  • NIST NVDOct 22, 2026
  • CVE.orgOct 21, 2026