Zscaler Critical Windows Graphics Vulnerabilities Enable Remote Code Execution
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Multiple vulnerabilities in the Windows Graphics Device Interface (GDI) have been identified, allowing remote code execution (RCE) and data leaks. Discovered by Check Point Research, these flaws involve malformed Enhanced Metafile (EMF) records and were patched by Microsoft in several updates throughout 2025. A separate critical flaw (CVE-2025-50165) was also reported, enabling attackers to take control of systems via crafted image files.
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