The vulnerability of Cisco IOS XR operating systems, related to the implementation of incorrect control flow, allows attackers to trigger service interruptions.
🗓️ 14 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 5 Views
| Reporter | Title | Published | Views | Family All 10 |
|---|---|---|---|---|
 | CVE-2026-20276 | 2 Sep 202616:36 | – | circl |
 | Cisco IOS XR Software Security Hardening Release: September 2026 | 2 Sep 202616:00 | – | cisco |
| Cisco Advance Notification for Publication of September 2, 2026, Security Advisories | 26 Aug 202616:00 | – | cisco |
 | CVE-2026-20276 | 2 Sep 202616:13 | – | cve |
 | CVE-2026-20276 Cisco IOS XR Software Security Hardening Release: September 2026 | 2 Sep 202616:13 | – | cvelist |
 | EUVD-2026-70203 | 2 Sep 202616:13 | – | euvd |
 | Vulnerabilities found in Cisco Nexus 9000 Series, iOS XR Software, and Secure Email | 3 Sep 202613:09 | – | ncsc |
 | CVE-2026-20276 | 2 Sep 202617:17 | – | nvd |
 | PT-2026-84808 | 2 Sep 202600:00 | – | ptsecurity |
 | CVE-2026-20276 Cisco IOS XR Software Security Hardening Release: September 2026 | 2 Sep 202616:13 | – | vulnrichment |
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14 Sep 2026 00:00Current
6.4Medium risk
Vulners AI Score6.4
CVSS 27.8
CVSS 38.6
EPSS0.00267