Cisco IOS XR Multiple Vulnerabilities
Release Date:
13 Mar 2026
7520
Views
RISK: Medium Risk
TYPE: Security software and application - Security Software & Appliance

Multiple vulnerabilities were identified in Cisco IOS XR. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition and remote code execution on the targeted system.
Impact
- Denial of Service
- Remote Code Execution
System / Technologies affected
- Cisco IOS XR
For affected devices, please refer to the link issued by the vendor:
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privesc-bF8D5U4W
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-dos-kDMxpSzK
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrncs-epni-int-dos-TWMffUsN
Solutions
Before installation of the software, please visit the vendor web-site for more details.
Apply fixes issued by the vendor:
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privesc-bF8D5U4W
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-dos-kDMxpSzK
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrncs-epni-int-dos-TWMffUsN
Vulnerability Identifier
Source
Related Link
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privesc-bF8D5U4W
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-dos-kDMxpSzK
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrncs-epni-int-dos-TWMffUsN
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