CVE-2026-76493
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Uncaught Exception Handling Flaw in Cisco Expressway Series

Publication date: 2026-10-21

Last updated on: 2026-11-07

Assigner: Cisco Systems, Inc.

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-2026-76493 are related to issues concerning uncaught exceptions that are grouped under the Common Weakness Enumeration (CWE) Base CWE-248.

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Meta Information

Published
2026-10-21
Last Modified
2026-11-07
Generated
2026-11-10
AI Q&A
2026-10-22
EPSS Evaluated
2026-11-09
NVD
CVE-2026-76493
EUVD
EUVD-2026-107354

Affected Vendors & Products

Showing 94 associated CPEs
Vendor Product Version / Range
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.11.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.6
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.11.3
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.2.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.8.3
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.11.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.5.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.1.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.9
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.5.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.5.6
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.7.3
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.6.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.11.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.5
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.9.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.10.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.8.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.3
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.9.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.11.4
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.5.4
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.8.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.2.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.6.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.1.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.8
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.10.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.5.3
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.10.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.5.7
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.10.3
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.7.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.5.8
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.7
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.5.9
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.5.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.10.4
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.7.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.5.5
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.6.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.6.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.6.3
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.6.4
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.7.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X12.7.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.3
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.4
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.5
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.6
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.7
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.8
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.2.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.9
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.2.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.2.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.11
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.2.5
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.0.10
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.2.6
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.2.7
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.3.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.3.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.3.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.3.3
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.0.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.3.4
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.3.5
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.0.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.0.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.0.3
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.3.6
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.2.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.2.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.2.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.2.3
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X14.3.7
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.2.4.
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.2.4
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.3.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.3.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.3.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.4.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.5.0
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.5.1
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.5.2
Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X15.5.3

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-248 An exception is thrown from a function, but it is not caught.

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Executive Summary

CVE-2026-76493 involves uncaught exceptions in Cisco Expressway Series software, classified under CWE-248. These exceptions could lead to system instability or crashes if not properly handled.

Impact Analysis

This vulnerability may cause unexpected system failures or disruptions in Cisco Expressway Series, potentially affecting video communication services and leading to downtime.

Mitigation Strategies

Apply the latest software hardening updates from Cisco for the Expressway Series as they address the uncaught exceptions vulnerability. Monitor Cisco's security advisories for patches and follow their recommended configuration changes.

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