Security Alerts
The latest Security Alerts coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft’s July Patches Fix a Stealthy Windows WebView Flaw—Here’s How to Check Your Build
Microsoft’s July 2026 security updates, released on July 14, close a privilege escalation vulnerability in Windows WebView that could let an attacker with local access take complete control of a...
July 2026 Windows Updates Fix SMB DoS That Lets Any Authenticated User Crash File Servers
Microsoft’s July 14, 2026 security updates patch a denial-of-service flaw in Windows SMB Server that could let any authenticated user crash a vulnerable file server over the network. Tracked as...
Microsoft Patches MSXML Flaw That Could Let Attackers Seize Admin Control on Windows
Microsoft shipped a fix on July 14, 2026 for CVE-2026-50359, a high-severity vulnerability in Microsoft XML Core Services that allows a locally authenticated attacker to escalate privileges on...
Microsoft Fixes Critical 9.8-Rated DHCP Bug—Apply the July 2026 Update Now
Microsoft released its July 2026 security updates on Tuesday, and among them is a fix for a critical remote-code-execution vulnerability in the Windows DHCP Server service. Rated 9.8 out of 10 on the...
Microsoft Patches SharePoint Spoofing Flaw: Here's How to Lock Down Your Servers
Microsoft’s July 2026 security updates for SharePoint Server close a network spoofing hole that an attacker with a low-privilege account can exploit without tricking anyone into clicking a link or...
Patch Now: Excel’s July 2026 Security Hole Could Let Attackers Hijack Your PC
Microsoft dropped a security fix on July 14, 2026, killing a bug in Excel that attackers can exploit to run malicious code on your machine—provided they can convince you to open a booby-trapped...
Microsoft Patches High-Severity Excel Flaw (CVE-2026-55949) That Lets Attackers Seize Control—Update Now
Microsoft released its July 2026 security updates for Office on Tuesday, fixing a dangerous vulnerability in Excel that could allow an attacker to run malicious code on a victim’s machine just by...
Excel RCE Vulnerability CVE-2026-55947 Patched: Why You Should Update Office Today
On July 14, 2026, Microsoft dropped its monthly security patches, and one of them fixes a dangerous hole in Excel. Designated CVE-2026-55947, the vulnerability lets an attacker craft a rogue...
Microsoft's 9.8-Score ERP Bug Lets Attackers Hijack Servers Without a Password
Microsoft shipped a patch Tuesday that plugs a critical hole in two of its business ERP products — Dynamics NAV and Dynamics 365 Business Central on-premises — which could allow remote attackers...
Microsoft Patches Excel Flaw That Leaks Data Through Malicious Files—Update Now
{ "title": "Microsoft Patches Excel Flaw That Leaks Data Through Malicious Files—Update Now", "content": "Microsoft released a security update on July 14, 2026 that fixes an...
CVE-2026-54131: Microsoft Fixes Excel Use-After-Free That Can Hijack Your PC via Spreadsheet
A single maliciously crafted Excel file can give an attacker complete control over your Windows PC—and Microsoft just released a patch to stop it. On July 14, 2026, the Microsoft Security Response...
No Patch to Install: How the Outlook Copilot Command Injection Flaw Changes Your Security Playbook
Microsoft has disclosed a command injection vulnerability in Outlook Copilot, but this isn't a typical Patch Tuesday update. CVE-2026-55145, published on July 14, 2026, carries a CVSS base score of...