Information Disclosure
The latest Information Disclosure coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-21535: Microsoft Teams Information Disclosure Vulnerability Analysis & Patch Guide
Microsoft has quietly disclosed a significant information disclosure vulnerability affecting its Microsoft Teams collaboration platform, designated as CVE-2026-21535 in the company's Security Update...
CVE-2025-21920: Linux VLAN Kernel Pointer Leak Threatens Network Security
A subtle design assumption in the Linux networking stack became a loud wake-up call for kernel maintainers and infrastructure operators in April 2025: CVE-2025-21920, tracked as "vlan: enforce...
Azure Linux Patched Against Kernel Memory Disclosure Bug—What Windows Users Need to Know
Microsoft has quietly patched a Linux kernel vulnerability in its Azure Linux distribution that could allow local attackers to peek at kernel memory. The flaw, tracked as CVE-2024-26901, was...
CVE-2026-21222 Windows Kernel Vulnerability: Analysis, Risks & Protection Guide
A newly disclosed Windows kernel vulnerability designated CVE-2026-21222 has emerged as a significant security concern for organizations and individual users alike. While Microsoft's official...
CVE-2026-21528: Critical Information Disclosure Vulnerability in Azure IoT Explorer
Microsoft has disclosed a significant security vulnerability in Azure IoT Explorer, the company's primary client tool for managing and interacting with Internet of Things devices connected to Azure...
CVE-2026-23655: Critical Azure Confidential Container Vulnerability Exposed
Microsoft's confidential computing ecosystem faces a significant security challenge with the disclosure of CVE-2026-23655, a critical information disclosure vulnerability affecting Azure Confidential...
Microsoft Patches Excel Information-Disclosure Bug: Why It’s More Dangerous Than It Sounds
Microsoft’s first 2026 security update fixes an Excel vulnerability that attackers could exploit to read sensitive data from a computer’s memory. The flaw, tracked as CVE-2026-21258, was...
CVE-2026-21532: Azure Functions Information Disclosure Vulnerability Analysis
Microsoft has officially acknowledged a significant information disclosure vulnerability affecting Azure Functions, designated as CVE-2026-21532, according to the company's Security Update Guide....
CVE-2026-21520: Analyzing Copilot Studio's Information Disclosure Vulnerability and Security Implications
Microsoft's security ecosystem has been alerted to a newly documented vulnerability affecting its Copilot Studio platform, designated as CVE-2026-21520. This information disclosure flaw, while...
Critical SharePoint Patch (CVE-2026-20958) Released: Every Admin Must Apply It Immediately
Microsoft has published a critical security update for on-premises SharePoint servers to fix an information disclosure vulnerability tracked as CVE-2026-20958, urging administrators to patch...
CVE-2026-20939: Critical Windows File Explorer Vulnerability Patched - What Users Need to Know
Microsoft has addressed a significant information disclosure vulnerability in Windows File Explorer, designated CVE-2026-20939, through its January 2026 security updates. This critical security flaw,...
CVE-2026-20939: Windows Explorer Information Disclosure Vulnerability & Mitigation Guide
Microsoft has officially documented a significant information disclosure vulnerability in Windows File Explorer, assigned the identifier CVE-2026-20939. This security flaw, while not allowing remote...