cve 2026 20045

About this tag
CVE-2026-20045 is a code-injection and remote code execution vulnerability affecting Cisco Unified Communications products. Added to the CISA Known Exploited Vulnerabilities (KEV) Catalog in January 2026, this flaw poses an operational emergency for federal agencies and any organization using on-premises Cisco call, messaging, or voicemail infrastructure. The tag covers discussions about the vulnerability's impact, urgent patching requirements, and remediation steps for enterprise IT and security teams managing Cisco Unified Communications deployments.

  1. CISA KEV Adds CVE-2026-20045: Urgent Patch for Cisco Unified Communications

    CISA’s addition of CVE-2026-20045 to the Known Exploited Vulnerabilities (KEV) Catalog on January 21, 2026 elevates a code-injection flaw in Cisco’s Unified Communications portfolio from a vendor advisory to an operational emergency for federal agencies — and a high-priority remediation item for...
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