Attackers Hijack Windows Domains
Overview A proof‑of‑concept exploit for Certighost, a vulnerability in Windows Active Directory Certificate Services (AD CS), has been released, raising serious concerns for enterprise environments. […]
MICROSOFT
Microsoft’s New Cybersecurity AI Model
Overview Microsoft has unveiled its first cybersecurity‑specific AI model, MAI‑Cyber‑1‑Flash, integrated into MDASH, the company’s multi‑model vulnerability identification and remediation harness. In combination with GPT‑5.4, […]
Microsoft 365 Services Outage
Overview On July 23, 2026, a major Microsoft 365 outage disrupted access to critical enterprise services including Teams, SharePoint Online, OneDrive, Copilot Chat, Microsoft Purview, […]
Exchange Online Mailbox Quarantine Issue
Overview Microsoft is investigating and working to resolve an ongoing Exchange Online incident (EX1436407) that has mistakenly quarantined customer mailboxes since July 19, 2026. The […]
Exchange 2016/2019 Security Updates Stops in October
Overview Microsoft has confirmed that security updates for Exchange Server 2016 and 2019 will officially end in October 2026, marking the conclusion of the Extended […]
Azure DevOps – Hidden PR Hijack AI Agents and Steal Data
Overview Security researchers at Manifold Security have disclosed a critical flaw in Microsoft’s Azure DevOps MCP server that demonstrates how hidden pull request (PR) comments […]
End of OneDrive Sync App Updates
Overview Microsoft has announced that it will end OneDrive sync app updates for systems running Windows 10 version 21H2 and earlier starting August 15, 2026. […]
Windows KB5121767 – Update Fixes Shutdowns on Dell PCs
Overview Microsoft has released an out‑of‑band (OOB) update to resolve a critical issue causing some Dell PCs to shut down unexpectedly or suffer performance degradation […]
Microsoft Warns of Surge
Overview Microsoft has issued a warning about a surge in ACR Stealer malware attacks targeting enterprise customers. The malware, believed to be a rebranding of […]
Windows LegacyHive Zero‑Day Exploit
Overview A security researcher known as Nightmare Eclipse has released a proof‑of‑concept (PoC) exploit for a new Windows zero‑day vulnerability dubbed LegacyHive. The flaw affects […]