Details of the ProxyShell Exchange server flaws are now public and attackers have begun scanning the Internet for vulnerable servers.
Microsoft has released guidance for mitigating the recently disclosed PetitPotam NTLM relay attack.
A new print spooler vulnerability has surfaced in Windows 10 and newer versions, though it is not as serious as the Print Night mare bugs.
Microsoft has released an emergency patch for the PrintNightmare CVE-2021-34527 vulnerability in Windows.
Exploit code for the CVE-2021-1675 Windows print spooler vulnerability is circulating and can bypass the patch for the bug.