Microsoft Exchange Server'da bulunan sıfırıncı gün (zero day) zafiyetleri için güvenlik güncellemesi yayınladı.

CVE-2021-26855
CVE-2021-26857
CVE-2021-26858
CVE-2021-27065

Kaynaklar

https://techcommunity.microsoft.com/...s/ba-p/2175901

https://docs.microsoft.com/en-us/lif...ge-server-2010

https://blogs.microsoft.com/on-the-i...-cyberattacks/

https://www.microsoft.com/security/b...hange-servers/

https://us-cert.cisa.gov/ncas/curren...xchange-server

https://msrc-blog.microsoft.com/2021...change-server/

https://msrc.microsoft.com/update-gu...CVE-2021-26855

https://msrc.microsoft.com/update-gu...CVE-2021-26857

https://msrc.microsoft.com/update-gu...CVE-2021-26858

https://msrc.microsoft.com/update-gu...CVE-2021-27065