CyberNotableConfirmed
5.9
Microsoft Patch Tuesday fixes record 966 flaws, 2 exploited zero-days
BleepingComputer·US·about 20 hours ago
Microsoft's August 2026 security update is causing 0xc0000409 errors on Windows Server 2016 systems with the Compatibility Appraiser diagnostic service enabled. The issue affects enterprise environments, potentially disrupting operations. Microsoft has not yet provided a fix, leaving administrators to mitigate manually.