Uncaught Exception Vulnerabilities in Cisco Expressway Series Software
CVE-2026-76493

7.5HIGH

Key Information:

Vendor

Cisco
Status
Cisco Telepresence Video Communication Server (vcs) Expressway
Vendor
CVE Published:
21 October 2026

Badges

👾 Exploit Exists

What is CVE-2026-76493?

Cisco Expressway Series software has been found to contain vulnerabilities related to uncaught exceptions, which fall under CWEs listed as Base CWE-248. These vulnerabilities pose risks by allowing unhandled exceptions to lead to potential exploit scenarios, necessitating prompt attention. The Cisco engineering team has initiated a proactive security effort, releasing software updates that enhance the product's resilience against these issues. It is crucial for users to obtain the latest updates to mitigate potential security risks associated with these vulnerabilities.

Affected Version(s)

Cisco TelePresence Video Communication Server (VCS) Expressway X8.11.2

Cisco TelePresence Video Communication Server (VCS) Expressway X8.6

Cisco TelePresence Video Communication Server (VCS) Expressway X8.11.3

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.