CVE-2026-20045
KEVCisco Unified Communications Products Code Injection Vulnerability
View CVE record →- Vendor / Project
- Cisco
- Product
- Unified Communications Manager
- Date added
- Jan 21, 2026
- Due date
- Feb 11, 2026
- Known ransomware use
- Unknown
- CWEs
- CWE-94
Description
Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unity Connection, and Cisco Webex Calling Dedicated Instance contain a code injection vulnerability that could allow the attacker to obtain user-level access to the underlying operating system and then elevate privileges to root.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.