Everything SecOps Signal has reported about Microsoft: 4 stories, newest first. Part of our Vulnerabilities coverage.
A high-severity flaw in Microsoft SharePoint Server allows authenticated users to elevate privileges, requiring immediate review of server access controls.
A high-severity flaw in OneNote for Mac allows network-based code execution, exposing users of Office 365 and LTSC versions to remote attacks.
Microsoft released fixes for three BitLocker vulnerabilities in October 2026 updates that allow attackers to bypass security controls or elevate privileges.
An unauthenticated remote vulnerability in the Windows Search component allows attackers to gain elevated privileges, rated critical by the NVD.