Microsoft has resolved a security alert that caused third-party applications to mistakenly identify the WinSqlite3.dll component as vulnerable on Windows platforms. This issue was corrected in updates from 2026-01-13.
False Security Alerts Addressed
Recent months saw security software mislabeling Windows components, particularly WinSqlite3.dll, due to a supposed memory corruption risk. Microsoft confirmed and addressed this in a service alert noted by BleepingComputer. The resolution involved updating the WinSqlite3.dll component, implemented in updates since 2025-06 and thoroughly fixed by 2026-01-13.
Platforms and Updates
The issue affected both client-side Windows 10 and Windows 11, as well as server-side environments ranging from Windows Server 2012 to Windows Server 2025. Microsoft emphasized that WinSqlite3.dll is distinct from the non-Windows component sqlite3.dll and can be updated for Microsoft apps through the Microsoft Store.
Historical Challenges
Microsoft has previously encountered issues with its Defender for Endpoint software. Past cases involved misidentifying SQL Server versions as end-of-life and incorrectly flagging some BIOS firmware on Dell devices.
- WinSqlite3.dll issues were identified in client and server Windows platforms.
- Microsoft advised updates from 2025-06, fully resolving false alerts by 2026-01-13.
- WinSqlite3.dll differs from sqlite3.dll and is exclusive to Windows environments.



