Critical CVE-2026-109469 Affects Microsoft Entra Device Registration

## Overview BleepingComputer reported that Microsoft’s November 2026 Patch Tuesday addressed 1,235 vulnerabilities, including CVE-2026-109469. This critical flaw affects Microsoft Entra Device Registration. It has a CVSS score of 10.0, indicating severe risk. ## Technical Details CVE-2026-109469 is an authorization bypass vulnerability. It allows attackers to exploit a user-controlled key in the Entra Device Registration process. This flaw can lead to unauthorized privilege elevation over a network. Attackers can leverage this vulnerability to gain elevated access to sensitive resources. ## Impact The impact of this vulnerability is significant. An attacker can exploit it to bypass authorization controls and gain higher privileges than intended. This can lead to unauthorized access to critical systems and data, increasing the risk of data breaches and other malicious activities. ## Mitigation Defenders should prioritize applying the latest patches from Microsoft. Regularly updating systems and monitoring for unusual activity can help mitigate the risks associated with this vulnerability. Organizations should also review their access controls to ensure they are robust against potential exploitation.