CVE-2026-76493
Cisco Expressway Series Software Hardening Release: October 2026 - Uncaught Exception Vulnerabilities
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-248 |
| Vendor | cisco |
| Product | cisco telepresence video communication server (vcs) expressway |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Oct 21, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Cisco / Cisco TelePresence Video Communication Server (VCS) Expressway
X8.11.2 X8.6 X8.11.3 X8.2.2 X8.8.3 X8.11.0 X12.5.2 X8.1.1 X8.9 X12.5.1 X12.5.6 X8.7.3 X12.6.0 X8.11.1 X8.5 X8.9.1 X8.10.2 X8.8.2 X8.5.3 X8.1 X8.9.2 X8.11.4 X12.5.4 X8.8.1 X8.2.1 X8.5.1 X8.6.1 X8.1.2 X8.8 X8.10.0 X12.5.3 X8.10.1 X12.5.7 X8.10.3 X8.7.1 X8.2 X12.5.8 X8.7 X8.5.2 X12.5.9 X12.5.0 X8.10.4 X8.7.2 X12.5.5 X12.6.1 X12.6.2 X12.6.3 X12.6.4 X12.7.0 X12.7.1 X14.0.0 X14.0.1 X14.0.2 X14.0.3 X14.0.4 X14.0.5 X14.0.6 X14.0.7 X14.0.8 X14.2.0 X14.0.9 X14.2.1 X14.2.2 X14.0.11 X14.2.5 X14.0.10 X14.2.6 X14.2.7 X14.3.0 X14.3.1 X14.3.2 X14.3.3 X15.0.0 X14.3.4 X14.3.5 X15.0.1 X15.0.2 X15.0.3 X14.3.6 X15.2.0 X15.2.1 X15.2.2 X15.2.3 X14.3.7 X15.2.4. X15.2.4 X15.3.0 X15.3.1 X15.3.2 X15.4.0 X15.5.0 X15.5.1 X15.5.2 X15.5.3