About this tag
MS11-030 is a critical security update for Windows that addresses a vulnerability in DNS resolution, specifically related to Link-Local Multicast Name Resolution (LLMNR). The vulnerability could allow remote code execution if an attacker on the same network sends specially crafted LLMNR broadcast queries to target systems. Microsoft released this update to fix the issue and recommends blocking LLMNR ports from the Internet as a best practice. The bulletin severity rating is Critical, and the update is identified by KB2509553.
  1. News

    MS11-030 - Critical: Vulnerability in DNS Resolution Could Allow Remote Code Execution (2509553)

    Bulletin Severity Rating:Critical - This security update resolves a privately reported vulnerability in Windows DNS resolution. The vulnerability could allow remote code execution if an attacker gained access to the network and then created a custom program to send specially crafted LLMNR...
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    • best practices dns firewall llmnr ms11-030 network security remote code execution security vulnerability windows
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    • Forum: Security Alerts