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IOS XE Software — security advisories

vendor: Cisco6 advisories1 exploited3 sourceslatest 2026-08-07⚡ RSS feed

Every advisory CSIRTS.com has correlated to IOS XE Software, newest first — across national CERTs, vendor PSIRTs and vulnerability databases.

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NCSC-2026-0279 [1.00] [M/H] Vulnerabilities patched in Cisco IOS XE Software

unknownCVE-2026-20267 CVE-2026-20268 CVE-2026-20269 CVE-2026-20270ncsc-nl2026-08-07

Cisco IOS XE Software Security Hardening Release: August 2026

criticalCVE-2026-20267 CVE-2026-20268 CVE-2026-20269 CVE-2026-20270cisco-psirt2026-08-05

Cisco IOS XE Software SNMP Denial of Service Vulnerability

highCVE-2026-20124cisco-psirt2026-08-05

Cisco IOS XE Software Blocks Extensible Exchange Protocol Denial of Service Vulnerability

highCVE-2026-20263cisco-psirt2026-08-05

Cisco IOS XE Software Web-Based Management Interface Denial of Service Vulnerability

mediumCVE-2026-20311cisco-psirt2026-08-05

CVE-2017-12319: Cisco IOS XE Software Ethernet Virtual Private Network Border Gateway Protocol Denial-of-Service Vulnerability

criticalexploitedCVE-2017-12319cisa-kev2022-03-03