Cisco Unified Communications Products Code Injection Vulnerability

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• NewsExploited · CISA KEVCisco · Unified Communications Manager

  Cisco Unified Communications Products Code Injection Vulnerability

  CVE-2026-20045

  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's required action · due 11 Feb 2026 for U.S. federal civilian agencies

  Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  Cited by CISA: sec.cloudapps.cisco.com · nvd.nist.gov

  Added to KEV 21 Jan 2026 · Source checked 4 Nov 2026, 16:40 UTC · CISA KEV entry

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