CVE-2026-76491: Cisco TelePresence Video Communication Server (VCS) Expressway X8.11.2, X8.6, X8.11.3, X8.2.2, X8.8.3, X8.11.0…

Affected technology

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
Cisco

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.