CVE-2026-81971 Windows NTFS Elevation of Privilege Vulnerability Concurrent execution using shared resource with improper synchronization ('race condition') in Windows NTFS allows an authorized attacker to elevate privileges locally. EPSS < 0.01 CVE-2026-81971 US tg: zranitelnost 13. 10. 2026 · zachyceno 22:02 · Microsoft Security · CVE-2026-81971 Windows NTFS Elevation of Privilege Vulnerability