CVE lookup

CVE-2026-20045

Cisco Unified Communications Products Code Injection Vulnerability

No dossier yet. This CVE is on our watch list.

Dossiers are written only when the selection criteria are met. Until then, use the primary sources below.

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.

CISA 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.

Primary sources

  1. NVD - CVE-2026-20045
  2. CISA KEV catalog entry
  3. FIRST EPSS