Morning Overview on MSN
New zero-day bug can silently block Windows Defender’s virus updates
A researcher who calls himself Nightmare Eclipse published a free tool on September 19, 2026, that can quietly stop Windows ...
Serial Microsoft zero-day leaker NightmareEclipse has found another way to mess with Windows Defender, this time by stopping ...
BigDiskBuster can block Microsoft Defender updates by filling disk space, leaving detection content stale; no patch or advisory exists.
BigDiskBuster zero-day PoC stops Microsoft Defender updates by filling disk space; and unfortunately, no patch exists yet.
Microsoft has fixed the bug that made Windows Security wrongly claim Microsoft Defender Antivirus was turned off. According ...
After installing the latest Defender Antivirus update for Windows 11, users have started reporting that their operating ...
Microsoft has a new Defender anti-virus update for Windows 11 and 10 images. The new update patches several flaws. Following the one for Lumma last month, Microsoft has also published a new Defender ...
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