Bing Images Vulnerability Lets Attackers Execute Remote Code on Microsoft Servers

Three critical remote code execution (RCE) vulnerabilities in Microsoft’s infrastructure, with two flaws in Bing Images allowing attackers to hijack backend image-processing servers using nothing more than a crafted SVG file. The findings, disclosed responsibly by XBOW and now patched, expose how an “ordinary” image-handling feature became a gateway to full SYSTEM-level access on production Bing servers. Microsoft’s advisories classify all three vulnerabilities as Critical, each carrying a maximum CVSS score of 9.8. CVE-2026-32194 is a command injection flaw in Bing’s image-processing pipeline, reachable through the public “Search by Image” upload feature. Its sibling, CVE-2026-32191,...

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