Microsoft Defender recently misidentified Microsoft SQL Server as end-of-life, causing confusion among users and administrators. This false positive was due to an error in the threat detection algorithms, which incorrectly flagged supported SQL Server versions as deprecated. The incident highlights the challenges in maintaining accurate threat intelligence and the importance of timely updates to security tools. Microsoft has acknowledged the issue and is working on a fix to prevent similar occurrences in the future. Users are advised to verify alerts and cross-check with official Microsoft lifecycle information before taking action. This event underscores the critical need for precise threat detection to avoid unnecessary disruptions in enterprise environments relying on SQL Server for critical database management. The incident also serves as a reminder for cybersecurity professionals to stay vigilant and validate security tool outputs to maintain operational continuity and trust in automated defenses.
This Cyber News was published on www.bleepingcomputer.com. Publication date: Thu, 09 Oct 2025 18:10:18 +0000