Excel Security
The latest Excel Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Excel's CVE-2026-20949 bypasses Protected View; patch now to block business logic attacks.
Microsoft's January 2026 Patch Tuesday has brought to light a significant security vulnerability in its flagship spreadsheet application, Excel, designated as CVE-2026-20949. This flaw, categorized...
That ‘Remote’ Excel Exploit? It Triggers Locally, but Attackers Can Still Own Your PC
Microsoft published a security advisory this week for a vulnerability in Excel that carries the alarming label “Remote Code Execution”—but the technical score attached to it says the attack...
Excel Security Bypass Threatens Macro Blocks: What You Need to Know
Microsoft has disclosed a security vulnerability in Excel that could allow attackers to quietly disable critical safety barriers—macro warnings, Protected View, and file validation checks. The...
Excel’s CVE-2026-20956 Flaw Allows Remote Code Execution—Here’s How to Stay Safe
Microsoft has disclosed a critical remote code execution vulnerability in Excel, tracked as CVE-2026-20956, that allows attackers to run arbitrary code on a victim’s machine simply by convincing...
CVE-2026-20946: Analyzing Excel's Remote Delivery RCE Threat & Mitigation
Microsoft's recent disclosure of CVE-2026-20946, a critical vulnerability in Microsoft Excel, has raised significant concerns within the security community. The vulnerability, which carries a CVSS...
Microsoft Excel RCE Vulnerability Analysis: CVSS Scoring, Attack Vectors & Mitigation
Microsoft's recent security advisory for CVE-2024-38000, an Excel remote code execution vulnerability, reveals a critical distinction in how security threats are communicated versus how they're...
Deploy Critical Patch: CVE-2025-62553 Excel RCE Attacks Exploit Workbook Previews
Microsoft has issued a critical security advisory for CVE-2025-62553, a remote code execution vulnerability in Microsoft Excel that allows attackers to execute arbitrary code when a user opens or...
CVE-2025-62203: Excel RCE Vulnerability with Local Attack Vector Explained
Microsoft's recent security disclosure of CVE-2025-62203 has created confusion among security professionals and Excel users alike, presenting what appears to be a contradiction in vulnerability...
CVE-2025-62203: Excel Security Flaw Analysis - Remote Execution vs Local Attack Vector
Microsoft's recent security advisory for CVE-2025-62203 has created confusion among security professionals and Excel users alike, with the vulnerability classification appearing contradictory at...
CVE-2025-62201: Understanding Excel's Remote Code Execution Vulnerability
Microsoft's recent disclosure of CVE-2025-62201 has raised significant concerns among Excel users and security professionals alike, revealing a critical remote code execution vulnerability in one of...
CVE-2025-59223: Excel Vulnerability Analysis and Security Implications
Microsoft's recent disclosure of CVE-2025-59223 has created significant confusion in the cybersecurity community due to apparent contradictions in its classification. The vulnerability is officially...
Microsoft Excel CVE-2025-59232: Critical Memory Disclosure Vulnerability Patched
Microsoft has urgently addressed a significant security vulnerability in Excel that could allow attackers to access sensitive memory contents through specially crafted workbooks. CVE-2025-59232,...