Cisco IOS XE Software
248 CVEs tracked. 6 of them are in CISA KEV.
This hub aggregates every CVE we track for Cisco IOS XE Software, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.
Cisco IOS XE Software CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 8 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 20 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 2 |
| 2025-09 | 14 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 12 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 12 |
| 2026-09 | 0 |
Severity
How the 248 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical8
- High134
- Medium106
Latest CVEs
The 15 most recently published vulnerabilities affecting Cisco IOS XE Software.
- CVE-2026-20311Cisco IOS XE Software Web UI Denial of Service Vulnerability6.3
- CVE-2026-20301Cisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Service Vulnerability8.6
- CVE-2026-20308Cisco IOS XE Software Web-Based Management Interface Vulnerability4.3
- CVE-2026-20273Cisco IOS XE Software Security Hardening Release8.6
- CVE-2026-20272Cisco IOS XE Software Security Hardening Release9.8
- CVE-2026-20271Cisco IOS XE Software Security Hardening Release8.6
- CVE-2026-20270Cisco IOS XE Software Security Hardening Release8.6
- CVE-2026-20269Cisco IOS XE Software Security Hardening Release8.6
- CVE-2026-20268Cisco IOS XE Software Security Hardening Release8.6
- CVE-2026-20267Cisco IOS XE Software Security Hardening Release9.0
- CVE-2026-20263Cisco IOS XE Software Blocks Extensible Exchange Protocol Denial of Service Vulnerability8.6
- CVE-2026-20124Cisco IOS XE Software SNMP Denial of Service Vulnerability7.7
- CVE-2026-20112A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an authenticated, remote attacker to conduct a stored cross-site...4.8
- CVE-2026-20113A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to perform a carriage return...5.3
- CVE-2026-20114A vulnerability in the Lobby Ambassador web-based management API of Cisco IOS XE Software could allow an authenticated, remote attacker to elevate their privileges and access management APIs that w...5.4
Product grouping is registry-driven, with AI assist and human review. How it works