cve-2025-21355

About this tag
CVE-2025-21355 is a critical vulnerability in Microsoft Bing that was patched by Microsoft in early 2025. The flaw, caused by a missing authentication check in a Bing service component, allows remote code execution with a CVSS score of 9.8. This vulnerability poses serious risks to end users and enterprises, especially those integrating Bing with Microsoft 365, SharePoint, and Azure Active Directory. Discussions on WindowsForum cover technical details, potential impacts, and mitigation strategies for Windows environments and IT professionals.

  1. Critical Microsoft Bing Vulnerability CVE-2025-21355: Impact and Mitigation Guide

    A critical vulnerability in Microsoft’s Bing search engine has recently been discovered and patched by Microsoft. Tracked as CVE-2025-21355, this flaw allowed attackers to execute arbitrary code remotely due to a missing authentication check in a vital Bing service component. With a maximum CVSS...
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    • Forum: Windows News

  2. CVE-2025-21355: Microsoft Bing Vulnerability Exposes Remote Code Execution Risks

    Published: 2025-02-19 Source: Microsoft Security Response Center (MSRC) More Details: MSRC Vulnerability Guide A newly discovered vulnerability in Microsoft Bing, designated as CVE-2025-21355, has raised significant concerns about remote code execution (RCE) risks—a vulnerability that strikes at...
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    • bing cve-2025-21355 remote code execution security windows users
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    • Forum: Security Alerts

  3. CVE-2025-21355: Critical Vulnerability in Microsoft Bing Explained

    Published: February 19, 2025 A newly discovered vulnerability in Microsoft Bing—tracked as CVE-2025-21355—has caught the attention of IT professionals and Windows users alike. This critical flaw, caused by missing authentication for a critical function, may allow an unauthorized attacker to...
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    • bing cve-2025-21355 cybersecurity remote code execution vulnerability windows security
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    • Forum: Security Alerts