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      <title>CVE-2026-20279 — Cisco IOS XR Software Security Hardening Release: September 2026</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-20279</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Cisco IOS XR Software&lt;/p&gt;
&lt;p&gt;As part of Cisco&amp;#39;s ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multiple internally discovered vulnerabilities.&#13;
&#13;
The vulnerabilities tracked by CVE-2026-20279 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Cisco IOS XR Software&lt;/p&gt;
&lt;p&gt;As part of Cisco&amp;#39;s ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multiple internally discovered vulnerabilities.&#13;
&#13;
The vulnerabilities tracked by CVE-2026-20279 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.&lt;/p&gt;</content:encoded>
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