CVE-2026-7516: Lenovo Android Tablet Clipboard Hijack Vulnerability

Technical summary

CVE-2026-7516 is a clipboard injection vulnerability affecting the Lenovo Android Application distributed on Chinese-market tablets. The vulnerability stems from insufficient input validation or access controls on clipboard operations, classified under CWE-749 (Improper Restriction of Interaction Among Actors in Different Privilege Domains). When a user visits a malicious or compromised website via the built-in browser, the site can directly write to the system clipboard without user consent or awareness. The vulnerability requires user interaction (visiting a website) but no authentication, and the impact is integrity-focused rather than confidentiality or availability loss.

Business impact

For users of affected Lenovo tablets, clipboard hijacking could result in credential theft if users paste login information into seemingly benign applications, data interception during copy-paste workflows, or social engineering attacks where pasted content is replaced with misleading instructions or URLs. Organizations managing fleets of these devices in China should assess whether clipboard-based workflows (e.g., pasting tokens, URLs, or sensitive snippets) are part of their operational model. The integrity risk is moderate but could escalate if combined with social engineering or multi-stage attacks.

Affected systems

This vulnerability is specific to the Lenovo Android Application on tablets distributed in the Chinese market. Based on the provided data, no specific model numbers, Android versions, or application version ranges are detailed. Organizations should consult Lenovo's official advisory to identify exact affected tablet models and firmware versions, as the scope appears geographically and device-type limited.

Exploitability

The attack surface is low-friction but requires user action. An attacker must craft a malicious website and social engineer or trick a user into visiting it via the affected tablet's browser. No special network privileges or authentication are required. The CVSS score of 4.3 (Medium severity) reflects this combination: network-accessible, low attack complexity, but dependent on user interaction. The barrier to exploitation is moderate; an attacker does not need zero-day exploit knowledge or privilege escalation.

Remediation

Lenovo has released updates to address this vulnerability. Users should prioritize updating the Lenovo Android Application to the latest available version. For organizations managing these devices, implement mobile device management (MDM) policies to ensure automatic patching is enabled and to restrict access to untrusted websites when feasible. Consider disabling clipboard access for sensitive applications or advising users to avoid pasting sensitive data from untrusted sources.

Patch guidance

Monitor Lenovo's official security advisories and the Lenovo support portal for Android application updates. Patch deployment should prioritize any tablets that frequently interact with cloud services, web-based authentication systems, or workflow applications that depend on clipboard input. Verify compatibility and conduct testing in a non-production environment before wide rollout. Enable automatic updates where possible to reduce the window of exposure.

Detection guidance

Detection on an affected device is challenging without active monitoring, as clipboard operations are typically silent and non-intrusive. Security teams can implement application-layer monitoring through MDM solutions to flag unexpected clipboard write attempts or unusual browser behavior. Network-level detection is unlikely to surface clipboard-specific activity. Endpoint detection and response (EDR) solutions with Android support may log clipboard operations if configured with granular logging policies. After patching, conduct user awareness training on clipboard security risks and the dangers of visiting untrusted websites.

Why prioritize this

Although the CVSS score is 4.3 (Medium), prioritize this vulnerability if your organization operates Lenovo tablets in China and users regularly paste sensitive information (credentials, tokens, URLs) into applications. The risk is contextual: high if clipboard-dependent workflows are part of your operational security model, lower if clipboard-based data transfer is minimal. Organizations with tablet fleets in other regions may deprioritize unless they have confirmed use of the affected product line.

Risk score, explained

The CVSS 3.1 score of 4.3 reflects a network-accessible vulnerability with low attack complexity and a requirement for user interaction, resulting in integrity impact but no confidentiality or availability loss. The 'Medium' severity rating appropriately captures the modest but meaningful risk: clipboard hijacking alone is not immediately critical, but it can enable downstream attacks or credential compromise. Organizations should layer this score with their own risk context—presence of clipboard-dependent workflows, user security awareness, and browser usage patterns—when setting remediation timelines.

Frequently asked questions