Office
The latest Office coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Adds Anthropic's Claude Sonnet to Copilot, Diversifying Office AI Models
Microsoft’s Office suite has long been the bedrock of enterprise productivity, and its AI-powered Copilot features have been virtually synonymous with OpenAI’s models. That is about to change....
80 Fixes in September 2025 Patch Tuesday: SMB Audit Tool, NTFS RCE, and NTLM EoP Patched
Microsoft’s September 2025 Patch Tuesday landed with 80 security fixes, including a novel SMB hardening advisory that provides audit capabilities rather than a traditional vulnerability patch,...
Microsoft’s September Updates Patch Critical NTFS and NTLM Vulnerabilities as Talos Releases Detection Rules
Microsoft’s September 2025 Patch Tuesday landed with 86 security fixes spanning Windows, Office, and a broad set of core services, accompanied by a fresh set of Snort intrusion detection rules from...
Microsoft Flags Critical Visio Heap Overflow – Urgent Patch for CVE-2025-54907 Underway
Microsoft has confirmed a dangerous heap-based buffer overflow in Microsoft Office Visio that lets attackers execute malicious code simply by convincing a user to open a rigged diagram file. The...
CVE-2025-54905: Critical Microsoft Office Vulnerability Patched—Users Urged to Update Now
Microsoft has released a security patch for CVE-2025-54905, a dangerous untrusted pointer dereference vulnerability in Microsoft Office that could let attackers seize control of an unpatched system...
CVE-2025-54899 Exposes Excel to Code Execution Attacks: Patch Deployed for Critical Memory-Safety Bug
Microsoft has released a security update to patch CVE-2025-54899, a memory-safety vulnerability in Excel that can allow attackers to execute arbitrary code on a victim's machine when a malicious...
Microsoft Sets Teams at $5 Per User in Global Unbundling to Settle EU Probe
Microsoft will sell Teams as a $5-per-user standalone app and offer Office suites without the collaboration tool to customers worldwide, capitulating to a European antitrust probe that began after a...
Microsoft’s Copyright Gambit Could End the Resale of Used Office and Windows Licenses
Microsoft has advanced a provocative legal argument that threatens to upend the decades-old European market for second‑hand software licences. In a preliminary issues trial that opened this week...
On-Device AI Agent Lands in Windows 11 Settings, Powered by Mu Model on Copilot+ PCs
Microsoft has begun rolling out an AI agent directly inside the Windows 11 Settings app, a move that signals a concrete step toward the ambient, agentic operating system the company has been publicly...
Word 2509 Makes Cloud-Save Mandatory by Default, Unlocks AutoSave for Any Cloud Service
Microsoft is fundamentally altering how Word for Windows handles new documents: starting with version 2509, every fresh file will be automatically saved to the cloud with AutoSave turned on, and—in...
Domain Controllers at Risk: Microsoft’s August Update Closes Kerberos dMSA Vulnerability Amid 100+ Fixes
Microsoft’s August 2025 Patch Tuesday release lands with an urgent fix for a Kerberos vulnerability that could allow attackers to escalate to domain administrator, alongside more than a dozen other...
Visio Under Fire: Microsoft Releases Patch for Use-After-Free Vulnerability CVE-2025-53730
Microsoft has disclosed a new use-after-free vulnerability in Visio, tracked as CVE-2025-53730, that allows an attacker to execute arbitrary code locally when a user opens a maliciously crafted...