cybersecuritywindowsrceikev2buffer overflow

Critical RCE flaw in Windows IKE Extension now actively exploited

August 18, 2026

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Source: BleepingComputer

A critical Remote Code Execution (RCE) vulnerability has been identified in the Windows Implementation of Internet Key Exchange version 2 (IKEv2) extension for . This vulnerability, tracked as CVE-2023-23397, allows attackers to execute arbitrary code on affected systems. The flaw is currently being actively exploited in targeted attacks, posing a significant threat to Canadian businesses that use Windows servers for their network infrastructure. The vulnerability is due to an improper handling of malformed XML input data, leading to a heap-based buffer overflow. To mitigate the risk, Microsoft has released a security update, and it's highly recommended that businesses apply the update as soon as possible.
cybersecuritywindowsrceikev2buffer overflow

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