Microsoft is investigating a Microsoft 365 Copilot disruption in which users may be unable to open the assistant or encounter…
A newly published ShieldCrash proof of concept from researcher MSNightmare claims that Microsoft Defender remains vulnerable to an arbitrary file-read…
Microsoft will retire support for Manifest V2 browser extensions in Microsoft Edge by early 2027, requiring users, enterprises, and developers…
Microsoft will begin expanding memory integrity protection across eligible Windows devices in October 2026, automatically enabling a stronger kernel-level security…
A public proof-of-concept exploit has been released for CVE-2026-62911, a Microsoft Exchange Server vulnerability linked to an authentication capture-and-replay weakness.…
A critical vulnerability in Microsoft’s open-source UFO automation framework, tracked as CVE-2026-73296 with a CVSS score of 9.4, could allow…
The U.S. Cybersecurity and Infrastructure Security Agency has added a Microsoft SQL Server remote code execution vulnerability, tracked as CVE-2019-1068,…
Microsoft has started expanding primary mailbox storage for Microsoft 365 Business Basic, Business Standard, and Business Premium users. Eligible users…
The U.S. Cybersecurity and Infrastructure Security Agency has added a critical Microsoft Internet Key Exchange vulnerability, tracked as CVE-2026-33824, to…
CISA added a critical Microsoft SharePoint authentication flaw to its KEV catalog after CVE-2026-55040 was confirmed in active exploitation, urging…