Cisco security vulnerabilities
Cisco product advisories mirrored as public metadata for network engineers.
Built for Network engineers.
430 public records · 129 security-fix timeline events.
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Current vulnerabilities
KEV-first priority plus newest publications for this stack.
Verified security fixes
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Patch intelligence
Use version checkers and advisory links to confirm upgrades before you change production.
- Critical 4
- High 16
- Medium 2
- Low 1
2026-07-2123 issues2026-10-18
Known exploited
View all known exploited- Critical9.8Fortinet FortiWeb SQL Injection VulnerabilityPatch nowKEVEPSS 99.81%Jul 11, 2025
- Critical10.0Erlang Erlang/OTP SSH Server Missing Authentication for Critical Function VulnerabilityPatch nowKEVEPSS 98.79%Apr 16, 2025
- Critical10.0Cisco Identity Services Engine Injection VulnerabilityPatch nowKEVEPSS 97.60%Jun 25, 2025
- High8.4RARLAB WinRAR Path Traversal VulnerabilityPatch nowKEVEPSS 94.51%Aug 8, 2025
- Critical10.0Cisco Catalyst SD-WAN Controller Authentication Bypass VulnerabilityPatch nowKEVEPSS 91.82%May 14, 2026
- Critical10.0Cisco Catalyst SD-WAN Controller and Manager Authentication Bypass VulnerabilityPatch nowKEVEPSS 88.48%Feb 25, 2026
- High8.6Cisco Unified Communications Manager Server-Side Request Forgery (SSRF) VulnerabilityPatch nowKEVEPSS 88.20%Jun 3, 2026
- Critical10.0Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel VulnerabilityPatch nowKEVEPSS 88.18%Mar 4, 2026
Recently published
Browse catalog- Critical9.8Cisco Secure Email Gateway Relative Path Traversal VulnerabilityPatch nowKEVEPSS 1.57%Oct 14, 2026
- High8.8Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.Check if you run itEPSS 0.78%Oct 13, 2026
- High8.8Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.Check if you run itEPSS 0.82%Oct 13, 2026
- High8.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.Check if you run itEPSS 0.82%Oct 13, 2026
- High8.8Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.Check if you run itEPSS 0.82%Oct 13, 2026
- High8.8Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.Check if you run itEPSS 0.78%Oct 13, 2026
- High8.8Microsoft Windows Command Injection VulnerabilityPatch nowKEVEPSS 1.51%Oct 13, 2026
- High8.6Ivanti Connect Secure Authentication Bypass by Spoofing VulnerabilityPatch nowKEVEPSS 25.98%Oct 13, 2026
- High8.7Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer VulnerabilityPatch nowKEVEPSS 0.59%Oct 3, 2026
- Critical9.8Cisco Catalyst SD-WAN Manager Hex Encoding VulnerabilityPatch nowKEVEPSS 1.82%Sep 30, 2026