Security news
Latest security news
Today · Wed, 16 Sept 2026
- Microsoft says Copilot buttons still missing in classic Outlook
Microsoft says it's still investigating a known issue that causes the Copilot and Copilot Chat buttons in Classic Outlook to disappear for some Windows users.
BleepingComputerMicrosoft, Windows, Outlook
Fri, 11 Sept 2026
- Microsoft fixes Teams, Outlook launch failures on ARM Windows PCs
Microsoft has fixed a bug that prevented Teams and Outlook from launching on ARM-based Windows devices after installing updates released since the August 2026 Patch Tuesday.
BleepingComputerMicrosoft, Windows, Outlook
Wed, 29 Jul 2026
- Russian-Alligned TA488 Returns With Persistent Outlook Web Access Attack
TA488 returned with OWA half-click exploit deploying OWAReaper implant that survived re-imaging
Infosecurity MagazineOutlook
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