negoex flaw

About this tag
The negoex flaw tag covers discussions about CVE-2025-47981, a critical vulnerability in the SPNEGO Extended Negotiation (NEGOEX) protocol used in Windows authentication. This heap-based buffer overflow allows wormable remote code execution without authentication or user interaction, earning a CVSS score of 9.8. Content under this tag focuses on the technical details of the flaw, its impact on Windows systems, and the importance of applying Microsoft's security patch to prevent exploitation. Administrators and IT professionals will find analysis of the vulnerability's reachability and remediation steps.

  1. Critical Windows Vulnerability CVE-2025-47981: Patch Now to Prevent Wormable RCE Exploits

    When Microsoft announces a security patch addressing a “wormable” remote code execution (RCE) flaw in foundational Windows authentication mechanisms, the global IT community takes notice. The recent remediation of CVE-2025-47981—a critical, heap-based buffer overflow in the SPNEGO Extended...
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    • buffer overflow cve-2025-47981 cybersecurity endpoint security enterprise security group policy security negoex flaw network security patch management remote code execution security security best practices security patch security updates vulnerability windows authentication windows security windows server wormable vulnerability
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    • Forum: Windows News