An out-of-band (OOB) security update that patches an actively exploited Windows Server Update Service (WSUS) vulnerability has broken hotpatching on some Windows Server 2025 devices.
Microsoft halts KB5070881 after reports it broke Hotpatch on Windows Server 2025 while patching an actively exploited WSUS ...
The NSA, CISA, Australia's Cyber Security Centre, and Canada's Cyber Centre jointly released comprehensive security practices for Exchange hardening.