High severity · published Jul 1, 2026
CVE-2026-2891
Poly Voice Devices (CCX, Trio, Edge E) – Potential Denial of Service
8.2
CVSS
0.4%
EPSS
No
On KEV
Description
The following Poly Voice IP devices, CCX, Trio, and Edge E, might be inoperable if they connect to a malicious SIP server and receive malformed data. HP is releasing updates to mitigate these potential vulnerabilities.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
CCX · HP Inc
before 9.50 · source: vendor
EE
Edge E · HP Inc
before 8.6.0 · source: vendor
TC
Trio C60 · HP Inc
before 9.5.0 · source: vendor