CVE-2026-66269 is a vulnerability in Dell OpenManage Server Administrator Managed Node for Windows, affecting versions before 11.1.0.3. It involves unsafe reflection (CWE-470), where externally-controlled input is used to select classes or code. This can be exploited remotely by an unauthenticated attacker to bypass protection mechanisms. The vulnerability is rated high severity with a CVSS 3.1 score of 7.3, indicating network attack vector, low attack complexity, no privileges or user interaction required, and impacts confidentiality, integrity, and availability.

An unauthenticated remote attacker could exploit this unsafe reflection vulnerability to bypass protection mechanisms, potentially leading to partial compromise of confidentiality, integrity, and availability of the affected system. The CVSS score of 7.3 reflects a high impact but no confirmed exploitation in the wild has been reported.

Upgrade Dell OpenManage Server Administrator Managed Node for Windows to version 11.1.0.3 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated. Patch status is confirmed by the availability of the fixed version.