Microsoft Patches 1,259 Flaws, Including Exploited Outlook Bug That May Expose NTLMv2 Hashes

Microsoft has released patches for 1,259 vulnerabilities across its software portfolio, the second consecutive month in which the patch volume has exceeded 1,000 flaws. The release includes an actively exploited Outlook vulnerability that may expose NTLMv2 hashes, and covers large numbers of flaws in Windows, Office, SQL Server and SharePoint Server.