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Threat actors exploited Windows 0-day for more than a year before Microsoft fixed it (arstechnica.com)

submitted 4 months ago by jeffw@lemmy.world to c/technology@lemmy.world

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[–] BigDanishGuy@sh.itjust.works 11 points 4 months ago (2 children)

What? No it doesn't, it means that the exploit has been known for zero days, aka it's an unknown exploit.

[–] Grimy@lemmy.world 20 points 4 months ago

A zero-day (also known as a 0-day) is a vulnerability in software or hardware that is typically unknown to the vendor and for which no patch or other fix is available. The vendor has zero days to prepare a patch as the vulnerability has already been described or exploited.

From wiki

[–] AceBonobo@lemmy.world 7 points 4 months ago

My understanding, zero day means when the exploit was discovered it was already being used in the wild. This is different from an exploit discovered by a bounty program or by security researchers.