CVE-2026-20045
Cisco Unified Communications Products Code Injection Vulnerability
IN CISA KEV
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.
- Vendor
- Cisco
- Product
- Unified Communications Manager
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-94
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2026-01-21
- Due date
- 2026-02-11
- Ransomware use
- Unknown
- 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.
EPSS
4.54% chance of exploitation in the next 30 days (percentile 91st)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.