ctfmon vulnerability

The ctfmon vulnerability tag covers discussions about security flaws in the Windows Collaborative Translation Framework (CTFMON) component, particularly privilege escalation issues. Recent content focuses on CVE-2026-45586, a CTFMON elevation-of-privilege vulnerability disclosed by Microsoft and patched in the June 2026 Patch Tuesday updates. This vulnerability was reported as exploited in the wild, highlighting risks to Windows systems where CTFMON handles text input and language services. While not a remote code execution flaw, it poses a threat for attackers who already have a foothold on a system. The tag is relevant for IT professionals and security researchers tracking Windows vulnerabilities and patch management.