cve 20847

CVE-20847 is a Windows File Explorer spoofing vulnerability documented in Microsoft's Security Update Guide. The flaw allows an attacker to present misleading UI or network endpoints to users or the system, potentially leading to privilege escalation or data exposure. File Explorer is a high-value target because it parses many file formats and runs third-party preview handlers and shell extensions. Microsoft's published confidence metric helps defenders assess the advisory. The tag covers patch guidance, exploitation risks, and mitigation strategies for this specific CVE, with discussions focusing on how administrators should prioritize and apply updates to protect enterprise environments.