CVE-2026-76490: high-severity vulnerability in Cisco TelePresence Video Communication Server…
Cisco Expressway Series Software Hardening Release: October 2026 - Out-of-bounds Write Vulnerabilities
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.6epss 0.4%
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-2026-76490 are related to issues concerning out-of-bounds writes that are grouped under the Common Weakness Enumeration (CWE) Base CWE-787.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Related CVEs — Cisco TelePresence Video Communication Server…
In the same product, most dangerous first.
CVE-2023-20209MEDIUMCVE-2023-20209EPSS 39.5%CVE-2022-20755CRITICALCisco Expressway Series and Cisco TelePresence Video Communication Server VulnerabilitiesEPSS 3.3%CVE-2022-20754CRITICALCisco Expressway Series and Cisco TelePresence Video Communication Server VulnerabilitiesEPSS 3.3%CVE-2021-34716MEDIUMCisco Expressway Series and TelePresence Video Communication Server Remote Code Execution VulnerabilityEPSS 2.4%CVE-2022-20812CRITICALCisco Expressway Series and Cisco TelePresence Video Communication Server VulnerabilitiesEPSS 2.0%CVE-2020-3482MEDIUMCisco Expressway Software Unauthorized Access Information Disclosure VulnerabilityEPSS 1.4%