Insecure Temporary Files in Cisco Expressway Software
CVE-2026-76497

6.6MEDIUM

Key Information:

Vendor

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

Badges

👾 Exploit Exists

What is CVE-2026-76497?

Cisco Expressway Series software has identified a vulnerability associated with insecure temporary files, raising concerns over potential unauthorized access and exploitation of sensitive data. Following an extensive internal security review, Cisco has implemented hardening releases to mitigate these risks. Organizations using affected Cisco Expressway products are encouraged to upgrade to the latest software to guard against 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:
6.6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.