cve 2026 58613

The cve 2026 58613 tag covers Microsoft’s July 14, 2026 security update for a high-severity elevation-of-privilege vulnerability in the Windows Cloud Files Mini Filter Driver, cldflt.sys. The flaw could allow an attacker with existing local, authorized access to run a crafted application and potentially obtain system-level privileges. Microsoft released the fix with its July Patch Tuesday updates, following disclosure by Cisco Talos. The tagged discussion focuses on the vulnerability’s impact, the required Windows security update, and the transition from an initial local foothold to a more serious machine compromise. Technical analysis was published after Microsoft made the patch available.