Tracker / CVE-2026-83999
CVE-2026-83999
High 7.0
Improper link resolution before file access ('link following') in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.
Affected products and versions
| microsoft | windows_11_24h2 · … → 10.0.26100.9445 |
|---|---|
| microsoft | windows_11_25h2 · … → 10.0.26200.9445 |
| microsoft | windows_11_26h1 · … → 10.0.28000.2954 |
| microsoft | windows_server_2025 · … → 10.0.26100.33438 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.