High [CVE-2026-20119] Cisco TelePresence Collaboration Endpoint Software and RoomOS Software Denial of Service Vulnerability
This high-severity Cisco advisory covers CVE-2026-20119 affecting Cisco RoomOS Software, Cisco TelePresence Endpoint Software (TC/CE).
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Summary
A vulnerability in the text rendering subsystem of Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of input received by an affected device.
An attacker could exploit this vulnerability by getting the affected device to render crafted text, for example, a crafted meeting invitation. As indicated in the CVSS score, no user interaction is required, such as accepting the meeting invitation.
A su…
Affected products named by the advisory: Cisco TelePresence Endpoint Software (TC/CE).
- Scope: This vulnerability affects Cisco TelePresence CE Software and Cisco RoomOS Software, regardless of device configuration.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- There are no workarounds that address this vulnerability.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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