Hackers exploited #Windows 0-day for 6 months after #Microsoft knew of it

Source: https://arstechnica.com/security/2024/03/hackers-exploited-windows-0-day-for-6-months-after-microsoft-knew-of-it/

Even after Microsoft patched the #vulnerability last month, the company made no mention that the North Korean threat group #Lazarus had been using the vulnerability since at least August to install a stealthy #rootkit on vulnerable computers. The vulnerability provided an easy and stealthy means for #malware that had already gained administrative system rights to interact with the Windows #kernel. Lazarus used the vulnerability for just that. Even so, Microsoft has long said that such admin-to-kernel elevations don’t represent the crossing of a security boundary, a possible explanation for the time Microsoft took to fix the vulnerability.

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