<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-155-05.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Hitachi Energy is aware of a buffer overflow vulnerability that affects MACH HiDraw product versions listed in this document. Successful exploitation of this vulnerability could lead to a buffer overflow condition, potentially resulting in application outages (denial of service) and possible arbitrary code execution. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation.</strong></p> <p>The following versions of Hitachi Energy MACH HiDraw are affected:</p> <ul> <li>MACH HiDraw vers:MACH_HiDraw/<=9.22 (CVE-2026-7310)</li> </ul> <div class="csaf-table"> <table class="tablesaw tablesaw-stack" data-tablesaw-mode="stack" data-tablesaw-minimap> <thead> <tr> <th role="columnheader" data-tablesaw-priority="persist">CVSS</th> <th role="columnheader">Vendor</th> <th role="columnheader">Equipment</th> <th role="columnheader">Vulnerabilities</th> </tr> </thead> <tbody> <tr> <td>v3 5.5</td> <td>Hitachi Energy</td> <td>Hitachi Energy MACH HiDraw</td> <td>Heap-based Buffer Overflow</td> </tr> </tbody> </table> </div> <h3>Background</h3> <ul> <li><strong>Critical Infrastructure Sectors: </strong>Dams, Energy, Transportation Systems</li> <li><strong>Countries/Areas Deployed: </strong>Worldwide</li> <li><strong>Company Headquarters Location: </strong>Switzerland</li> </ul> <hr> <h2>Vulnerabilities</h2> <div class="csaf-accordion"> <p><a class="csaf-accordion-toggle-all" href="#">Expand All +</a></p> <div class="csaf-accordion-item"> <h3><a class="csaf-accordion-toggle" href="#">CVE-2026-7310</a></h3> <div class="csaf-accordion-content"> <p>A heap-based buffer overflow vulnerability exists in XML parser functionality in the HiDraw. An authenticated malicious user with local access can exploit this vulnerability using a specially crafted XML file which may lead to memory corrupt

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