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Microsoft Copilot exposes flaw allowing hackers to steal passwords.

Microsoft Copilot revealed a hidden parameter that allowed hackers to steal passwords through deceptive links, exposing vulnerabilities in AI systems. This flaw raises serious concerns about user secโ€ฆ

Microsoft Copilot reveals secret input that allowed it to be hacked
Ars Technica โ€” 18 August 2026
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Microsoft Copilot exposed a hidden parameter that enabled hackers to steal passwords by tricking users into clicking malicious links. This revelation came to light after cybersecurity researchers identified a flaw in Copilotโ€™s handling of parameters that could be exploited by attackers.

The discovery is significant as it underscores vulnerabilities in widely used AI systems. With Microsoft Copilot being integrated into various applications, the potential for misuse raises serious concerns about user security. The parameter in question allowed attackers to craft deceptive links that, once clicked, could harvest usersโ€™ passwords without their knowledge. This incident highlights the ongoing battle between cybersecurity and rapidly evolving technological tools. As more businesses adopt AI-driven solutions, the risks associated with their misuse increase.

Experts suggest that this flaw could have far-reaching implications for users and organizations that rely on Microsoft products. If attackers can exploit such vulnerabilities, it may lead to widespread data breaches, loss of sensitive information, and a significant erosion of trust in AI technologies. Microsoft has stated that they are investigating the matter and working to implement necessary fixes. However, the incident raises questions about the adequacy of security measures in AI systems, particularly those that handle sensitive information.

Moving forward, Microsoft must act swiftly to address this vulnerability and reassure users of their safety while using Copilot. The companyโ€™s response will be critical in determining how quickly they can mitigate the risks and restore confidence in their AI offerings. As the cybersecurity landscape evolves, so too must the strategies to protect against these emerging threats. Users are advised to remain vigilant and adopt best practices for online security as investigations continue.

Read Full Story at Ars Technica โ†’
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