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Microsoft rushes out fixes for four zero‑day flaws in Exchange Server
At least one vulnerability is being exploited by multiple cyberespionage groups to attacks targets mainly in the US, per ESET telemetry Microsoft has rushed out emergency updates to address four zero-day flaws affecting Microsoft Exchange Server versions 2013, 2016, and 2019. Threat actors have been observed exploiting the vulnerabilities in the wild to access on-premises…