Articles from April 2026
Browse all Windows news articles published in April 2026
CVE-2026-3184: How a util-linux Hostname Bug Exposes Access Control Flaws in Linux Tooling
CVE-2026-3184 reveals a critical access control bypass vulnerability in the util-linux package's hostname canonicalization function. Microsoft's security advisory confirms this flaw allows attackers...
CVE-2026-27456: Critical TOCTOU Race Condition in Linux mount Utility Explained
Microsoft's security advisory for CVE-2026-27456 reveals a critical Time-of-Check-Time-of-Use (TOCTOU) vulnerability in the util-linux mount utility that affects Linux systems, including those...
CVE-2026-32225: Windows Shell Security Feature Bypass Vulnerability Analysis & Mitigation Guide
Microsoft's CVE-2026-32225 represents a critical Windows Shell security feature bypass vulnerability that demands immediate attention from system administrators and security teams. This advisory,...
Microsoft's 'Remote Code Execution' Terminology: Why CVSS AV:L Matters More Than Marketing Labels
Microsoft's use of "remote code execution" in vulnerability descriptions doesn't always mean an attacker can trigger the exploit over a network connection. This discrepancy between marketing...
CVE-2026-33095: Microsoft Office RCE Vulnerability with CVSS AV:L Vector Explained
Microsoft's security advisory for CVE-2026-33095 describes a remote code execution vulnerability in Microsoft Office applications, yet the CVSS vector shows AV:L (Attack Vector: Local). This apparent...
Excel Remote Code Execution Vulnerability Explained: Why CVSS AV:L Rating Doesn't Contradict Microsoft's Classification
Microsoft's recent security bulletin for Excel contains what appears to be a contradiction at first glance: a \"remote code execution\" vulnerability with a CVSS attack vector rating of AV:L, which...
CVE-2026-32073: Critical AFD.sys Use-After-Free Vulnerability Enables Windows Privilege Escalation
Microsoft's CVE-2026-32073 represents a critical security vulnerability in the Windows Ancillary Function Driver (AFD.sys) that allows local attackers to escalate privileges on affected systems. This...
CVE-2026-32071: Microsoft's LSASS Denial-of-Service Vulnerability Requires Immediate Patching
Microsoft's security advisory for CVE-2026-32071 reveals a critical vulnerability in the Windows Local Security Authority Subsystem Service (LSASS) that could allow attackers to cause...
CVE-2026-35611: Microsoft Warns of Critical ReDoS Vulnerability in Ruby's Addressable Gem
Microsoft's security researchers have identified a critical Regular Expression Denial of Service (ReDoS) vulnerability in the Addressable Ruby gem, designated CVE-2026-35611. This flaw in a...
Defender Triage Targets Conditional CVE-2026-40385 Exploitation
Microsoft's security advisory for CVE-2026-40385 reveals a vulnerability with unusual exploitability characteristics that challenge conventional threat assessment models. The company explicitly...
CVE-2026-34757: Critical libpng Use-After-Free Vulnerability Exposes Windows Systems to Heap Disclosure
Microsoft has confirmed a critical vulnerability in the libpng library that could allow attackers to access sensitive memory data from Windows systems. CVE-2026-34757, a use-after-free flaw in PNG...
CVE-2026-28388: How a Null Dereference in Delta CRL Processing Threatens Microsoft Entra Trust Chains
CVE-2026-28388 exposes a critical vulnerability in how Windows systems process Delta Certificate Revocation Lists, potentially disrupting authentication flows across Microsoft Entra ID and hybrid...