Office 365: news, advisories and analysis

The coverage includes 1 vulnerability advisory. 1 advisory is rated critical or high severity.

Stories on Office 365 most often intersect with Microsoft, Microsoft Outlook and Remote Code Execution, with Technology, Cloud & SaaS the most affected sector. The most recent story, “Microsoft Outlook Memory Parsing Flaw Enables Remote Code Execution via Crafted Documents”, was published 26 Sep 2026. Every article is listed below, newest first, with the affected products, severity and remediation guidance in each piece.