Cisco security advisories, January 2026

Every Cisco security advisory published in January 2026, from Cisco Security Advisories, with its severity, CVEs and CISA KEV status. Open a record for affected and fixed versions and the vendor's own link.

Advisories: 8
Critical: 0
High: 1
In CISA KEV: 1
CVEs: 9

Cisco advisories published in January 2026

Jan 21, 2026
High [CVE-2026-20045] Cisco Unified Communications Products Remote Code Execution Vulnerability
High8.2ExploitedCISA KEV
Jan 21, 2026
Medium [CVE-2026-20080] Cisco IEC6400 Wireless Backhaul Edge Compute Software SSH Denial of Service Vulnerability
Medium5.3
Jan 21, 2026
Medium [CVE-2026-20092] Cisco Intersight Virtual Appliance Privilege Escalation Vulnerability
Medium6.0
Jan 15, 2026
Medium [CVE-2026-20075] Cisco Evolved Programmable Network Manager and Cisco Prime Infrastructure Stored Cross-Site Scripting Vulnerability
Medium4.8
Jan 15, 2026
Medium [CVE-2026-20076] Cisco Identity Services Engine Stored Cross-Site Scripting Vulnerability
Medium4.8
Jan 15, 2026
Medium [CVE-2026-20047] Cisco Identity Services Engine Cross-Site Scripting Vulnerability
Medium4.8
Jan 7, 2026
Medium [CVE-2026-20029] Cisco Identity Services Engine XML External Entity Processing Information Disclosure Vulnerability
Medium4.9PoC reported
Jan 7, 2026
Medium [CVE-2026-20026 +1] Multiple Cisco Products Snort 3 Distributed Computing Environment/Remote Procedure Call Vulnerabilities
Medium5.8

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Dates are each advisory's publication date at the source, in UTC; a record with no source date is filed under the day VulniPulse first saw it.