On Premises Security
The latest On Premises Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Apply Microsoft’s Emergency Exchange Patch Now to Block CVE-2026-45583 Attacks
Microsoft Exchange administrators face yet another critical patching fire drill with the release of CVE-2026-45583, a remote code execution vulnerability that puts on-premises mail servers at...
Microsoft Warns: Patch Critical SharePoint Spoofing Bug CVE-2026-33113 Now
Microsoft disclosed CVE-2026-33113 on June 9, 2026, a spoofing vulnerability in on-premises Microsoft SharePoint Server. The advisory, published through the company’s Security Update Guide, warns...
Urgent June 2026 Patch Tuesday: Fix Critical SharePoint Spoofing Bug Now
Microsoft’s June 2026 Patch Tuesday release, dropped on June 9, hides a nasty surprise for SharePoint on‑premises administrators: CVE‑2026‑47641, a spoofing vulnerability that could let...
Microsoft Fixes SharePoint Spoofing Vulnerability That Attackers Can Chain to Gain Control of On-Prem Servers
Microsoft has released security updates to close a spoofing vulnerability in SharePoint Server that, if left unpatched, could let attackers impersonate trusted server interfaces and ultimately seize...
CISA Orders Emergency Fix for Exchange Hybrid Bug Allowing 'Total Domain Compromise'
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an emergency directive requiring federal agencies to patch a severe Microsoft Exchange vulnerability by August 11, warning...
Exchange Hybrid Bug Lets Attackers Quietly Escalate to Cloud Admin — Patch Now
A single compromise on a dusty, overlooked Exchange Server can now silently hand an attacker the keys to your entire Microsoft 365 kingdom — with no alarm raised and no audit trail left behind....
Critical Exchange Hybrid Flaw CVE-2025-53786 Allows Undetectable Privilege Escalation—Patch Now
A dangerous authentication bypass has surfaced in Microsoft Exchange hybrid deployments, prompting coordinated alerts from both Microsoft and the U.S. Cybersecurity and Infrastructure Security Agency...
CISA Emergency Directive Targets CVE-2025-53786: Hybrid Exchange Flaw Demands Immediate Action
The Cybersecurity and Infrastructure Security Agency (CISA) issued Emergency Directive 25-02 on August 7, 2025, compelling federal agencies to immediately patch a high-severity Microsoft Exchange...
Critical SharePoint Zero-Day Vulnerability Exposes Enterprises to Remote Code Execution Attacks
The world of digital security was jolted as a sweeping cyberattack exploiting a critical zero-day vulnerability in Microsoft’s SharePoint Server software rippled across continents. Government...
Comprehensive Analysis of the Microsoft SharePoint Zero-Day Attack: Risks, Responses, and Future Security Strategies
A wave of unease has swept through global IT circles in the wake of a sophisticated cyber attack targeting Microsoft SharePoint servers—a scenario that underscores the challenges and stakes of...
Microsoft SharePoint Server Targeted by Zero-Day Attacks: Risks, Responses, and Best Practices
Microsoft's SharePoint Server, a backbone technology for organizational collaboration and document management, has found itself at the center of a significant cybersecurity crisis. In a recent urgent...
Critical SharePoint Server Zero-Day Vulnerability CVE-2025-53770: Risks, Exploits, and Defense Strategies
When Microsoft issues a critical security alert, particularly one involving a platform as ubiquitous as SharePoint Server, the stakes are instantly raised for IT leaders worldwide. SharePoint sits at...