Microsoft Security Updates
The latest Microsoft Security Updates coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Patches SharePoint Server Spoofing Bug That Could Let Attackers Impersonate Trusted Content
On July 14, 2026, Microsoft shipped its monthly security updates for SharePoint Server, and tucked inside is a fix for a cross-site scripting (XSS) vulnerability that could let an attacker with...
Microsoft Patches AD FS Vulnerability That Freezes Federation Services with a Single Network Packet
On July 14, 2026, Microsoft released security updates that fix a high-severity denial-of-service vulnerability in Active Directory Federation Services (AD FS). Tracked as CVE-2026-50647, the flaw...
Microsoft Patches Hyper-V DoS Flaw (CVE-2026-50485) Affecting All Supported Windows Versions
Microsoft released a fix on July 14, 2026 for CVE-2026-50485, a buffer over-read vulnerability in Windows Hyper-V that could allow a privileged attacker on an adjacent network to crash the...
Unpatched AD FS? One Malformed Request Can Crash Your Authentication—Here’s the July Fix
On July 14, 2026, Microsoft dropped a security update that closes a remotely exploitable denial-of-service vulnerability in Active Directory Federation Services (AD FS). Tracked as CVE-2026-50411,...
July 2026 Windows Update Plugs a Silent Privilege Escalation Hole in RRAS – Patch Now
Microsoft’s July 14, 2026 security update fixes a vulnerability in the Windows Routing and Remote Access Service (RRAS) that could let an attacker already on your machine jump from limited user...
Microsoft Issues Patch for Windows Admin Center Code Execution Flaw — Upgrade to 2.7.4 Now
Microsoft on July 14, 2026, disclosed a vulnerability in Windows Admin Center that could let an attacker with limited access seize control of the entire management gateway. The company rated the flaw...
Microsoft Patches SharePoint Spoofing Flaw That Can Leak Data Without a Click
Microsoft’s July 14, 2026 security update fixes a vulnerability in on-premises SharePoint Server that lets already-authenticated attackers spoof content and siphon sensitive documents — no...
Exchange Server July 2026 Update Blocks Remote Code Execution That Only Needed a Valid Password
Microsoft shipped its July 2026 security updates on Tuesday, and for on-premises Exchange Server administrators, one patch demands immediate attention. CVE-2026-55005, a heap-based buffer overflow in...
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...
Patch Missing Details: CVE-2026-47637 Spoofing Threat Hits SharePoint Server
Microsoft has published a new security advisory for CVE-2026-47637, flagging a spoofing vulnerability in SharePoint Server. The listing appeared in the company's Security Update Guide with a note...
Patch Python Requests Now: CVE-2026-25645 Temp-File Flaw on Windows
Microsoft's Security Update Guide now lists CVE-2026-25645, a medium-severity vulnerability in the ubiquitous Python Requests library. The flaw, present in versions before 2.33.0, stems from the...
CVE-2026-40706: Unpatched Microsoft Flaw Opens Door to High-Impact DoS Attacks
Microsoft’s description of CVE-2026-40706 points to a serious availability weakness: an attacker can either fully deny access to impacted resources for as long as the attack continues, or cause a...