Executive Summary

CVE-2026-40951 is a memory corruption vulnerability found in Secure Access Windows clients before version 14.50. It occurs when an attacker with local access to the Windows client sends malformed data to an API, which then triggers a denial of service condition.

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Impact Analysis

This vulnerability can lead to a denial of service on the affected Secure Access Windows client. An attacker with local control can exploit this by sending malformed data, potentially causing the application or system to crash or become unresponsive.

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Compliance Impact

CVE-2026-40951 causes a denial of service by exploiting a memory corruption vulnerability in Secure Access Windows clients prior to version 14.50. The impact is limited to availability, with no effect on confidentiality or integrity.

Since the vulnerability does not affect confidentiality or integrity of data, it is less likely to directly violate compliance requirements related to data protection under standards like GDPR or HIPAA, which primarily focus on protecting personal data confidentiality and integrity.

However, the denial of service impact could affect system availability, which is also a component of some compliance frameworks. Organizations relying on Secure Access Windows clients should consider the potential availability impact in their risk assessments and mitigation strategies.

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Mitigation Strategies

To mitigate this vulnerability, update Secure Access Windows clients to version 14.50 or later, as versions prior to 14.50 are affected.

Since the vulnerability requires local attacker access, restricting local access to trusted users and monitoring for unusual local activity can also help reduce risk.

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