CVE-2026-76493: Uncaught Exception in Cisco Cisco TelePresence Video Communication Server (VCS) Expressway
Description
CVE-2026-76493 is a high severity vulnerability in Cisco TelePresence Video Communication Server (VCS) Expressway involving uncaught exceptions. These exceptions relate to the Common Weakness Enumeration CWE-248. The vulnerability can cause denial of service due to application crashes. No specific affected versions or patch information are provided in the available data.
CVSS v3.1
Score 7.5high
Affected software
Cisco
Cisco TelePresence Video Communication Server (VCS) Expressway
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Cisco's internal security review identified multiple vulnerabilities including CVE-2026-76493, which concerns uncaught exceptions in Cisco TelePresence Video Communication Server (VCS) Expressway software. These exceptions fall under CWE-248, indicating improper exception handling that can lead to application instability or crashes. The CVSS 3.1 score is 7.5, reflecting high severity with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability (denial of service). No vendor advisory or patch details are currently available.
Potential Impact
The vulnerability can cause denial of service by crashing the affected Cisco TelePresence VCS Expressway system due to uncaught exceptions. There is no indication of confidentiality or integrity impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor Cisco's official security advisories for updates and consider applying any recommended workarounds once published.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- cisco
- Date Reserved
- 2026-08-19T12:02:03.640Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad8e8d64d27ba8daac3b6d1
Added to database: 10/21/2026, 16:31:18 UTC
Last enriched: 10/21/2026, 16:45:38 UTC
Last updated: 10/21/2026, 16:46:20 UTC
Views: 6
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