Security Alerts
The latest Security Alerts coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft’s July 2026 SharePoint Update Blocks Spoofing Attacks That Exploit Low-Privilege Accounts
Microsoft’s July 2026 security updates, released on Patch Tuesday, deliver a critical fix for a SharePoint Server vulnerability that lets attackers with any authenticated account inject malicious...
July SharePoint Patches Close Spoofing Hole: Here’s Why You Can’t Skip the Workflow Manager Update First
Microsoft fixed a spoofing vulnerability in its on-premises SharePoint servers on July 14, 2026. The patch lands for SharePoint Server 2016, 2019, and Subscription Edition under CVE-2026-55020. But...
Microsoft Fixes Excel Data Exposure Flaw—Update Now to Prevent Information Leaks
On July 14, 2026, Microsoft released a security update for Microsoft Excel that patches a vulnerability capable of silently leaking sensitive data from your spreadsheets. The flaw, identified as...
Why a Vulnerability Disclosure Policy Isn't Enough: CISA and NSA Demand Full Programs
On July 15, CISA, the National Security Agency, and international cybersecurity partners released joint guidance pushing software makers to move beyond superficial vulnerability disclosure policies...
Patch Now: Microsoft Office Vulnerability CVE-2026-55018 Lets Attackers Run Code via Malicious Files
{ "title": "Patch Now: Microsoft Office Vulnerability CVE-2026-55018 Lets Attackers Run Code via Malicious Files", "content": "Microsoft on July 14, 2026, released security updates that patch a...
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...
Excel Memory-Disclosure Vulnerability Patched in Microsoft’s July 2026 Updates
On July 14, 2026, Microsoft pushed out security fixes for Office that plug a memory-disclosure vulnerability in Excel. Tracked as CVE-2026-50408, the flaw can expose sensitive data from the...
Microsoft: Apply July 2026 Excel Patches Now to Block New Remote Code Execution Attacks
Microsoft has released security updates for Microsoft Excel that close a high-severity vulnerability allowing attackers to run malicious code on a victim's PC simply by persuading them to open a...
Microsoft Patches SharePoint XSS Spoofing Flaw in July 2026 Update – Here’s How to Secure Your Farm
Microsoft released fixes on July 14, 2026, for a cross-site scripting (XSS) vulnerability in on-premises SharePoint Server that could let an authenticated attacker place deceptive content on pages...
Microsoft Fixes Office RCE Bug CVE-2026-55017 — Update Now to Block Document-Based Attacks
Microsoft on July 14, 2026 released its monthly security rollup for Office, addressing a critical vulnerability that could let attackers run malicious code on your PC simply by tricking you into...
CVE-2026-50467: How a 'Local' Office Bug Can Let Remote Attackers In
Microsoft issued a security update for Office on July 14, 2026, sealing a vulnerability that allows remote code execution—yet the attack vector listed in its official CVSS scoring is local. That...
Microsoft Fixes Critical Office Bug That Lets Documents Run Malicious Code—Patch Now
On July 14, 2026, Microsoft rolled out its monthly security updates with a patch that every Office user needs to apply immediately. Tracked as CVE-2026-50314, the fix closes a use-after-free...