Cisco vulnerabilities
3,442 CVEs and advisories name Cisco as an affected vendor, 63 of them on CISA's Known Exploited Vulnerabilities catalog, newest first. Follow it as a feed.
- CVE-2026-20183ISE Authorization Bypass vulnerability
- CVE-2026-20241Cisco Identity Services Engine Authorization Bypass Vulnerability
- CVE-2026-76419Cisco Unified Communications Manager Cross-Site Scripting Vulnerability
- CVE-2026-76506Cisco Unified Computing System Central Remote Code Execution Vulnerability
- CVE-2026-76418Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Tunnel Denial of…
- CVE-2026-76497Cisco Expressway Series Software Hardening Release: October 2026 - Insecure Temporary File Vulnerabilities
- CVE-2026-76505Cisco IOS XR Software for ASR 9000 Series Routers IPv4 Unicast Packets Denial of Service Vulnerability
- CVE-2026-76524Open Source Snort 3 Control Channel Socket Aribitrary Command Execution Vulnerability
- CVE-2026-76496Cisco Expressway Series Software Hardening Release: October 2026 - Improper Link Resolution Vulnerabilities
- CVE-2026-76495Cisco Expressway Series Software Hardening Release: October 2026 - Incorrect Permission Assignment Vulnerabilities
- CVE-2026-76494Cisco Expressway Series Software Hardening Release: October 2026 - Code Injection Vulnerabilities
- CVE-2026-76493Cisco Expressway Series Software Hardening Release: October 2026 - Uncaught Exception Vulnerabilities
- CVE-2026-76490Cisco Expressway Series Software Hardening Release: October 2026 - Out-of-bounds Write Vulnerabilities
- CVE-2026-76489Multiple Cisco Products Snort 3 Generic File Processing Memory Exhaustion Denial of Service Vulnerability
- CVE-2026-76492Cisco Expressway Series Software Hardening Release: October 2026 - NULL Pointer Vulnerabilities
- CVE-2026-76491Cisco Expressway Series Software Hardening Release: October 2026 - Denial of Service Vulnerabilities
- CVE-2026-76481Cisco Unified Communications Products Hardening Release: October 2026 - Improper Check or Handling of Exceptional Conditions Vulnerabilities
- CVE-2026-76487Cisco Unified Communications Manager Improper Access Control Vulnerability
- CVE-2026-76479Cisco Unified Communications Products Hardening Release: October 2026 - Path Traversal Vulnerabilities
- CVE-2026-76478Cisco Unified Communications Products Hardening Release: October 2026 - Improper Access Control Vulnerabilities
- CVE-2026-76476Cisco Unified Communications Products Hardening Release: October 2026 - Improper Input Validation Vulnerabilities
- CVE-2026-76477Cisco Unified Communications Products Hardening Release: October 2026 - Injection Vulnerabilities
- CVE-2026-76475Cisco Unified Communications Products Hardening Release: October 2026 - Cross-site Scripting Vulnerabilities
- CVE-2026-76474Cisco Unified Communications Products Hardening Release: October 2026 - Improper Authentication Vulnerabilities
- CVE-2026-76445Multiple Cisco Products Snort 3 Denial of Service Vulnerability
- CVE-2026-76473Cisco Unified Communications Products Hardening Release: October 2026 - Improper control of a resource through its lifetime.
- CVE-2026-76435Cisco Expressway Series Information Disclosure Vulnerability
- CVE-2026-76466Cisco Expressway Series Remote Code Execution Vulnerability
- CVE-2026-76462Cisco Secure Client Privilege Escalation Vulnerability
- CVE-2026-20356Multiple Cisco Products Snort 3 Software Hardening Release: October 2026