IT

Tracker / CVE-2026-83666

CVE-2026-83666

High 7.0

Concurrent execution using shared resource with improper synchronization ('race condition') in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges locally.

Affected products and versions

microsoft windows_10_1607 · … → 10.0.14393.9612
microsoft windows_10_1809 · … → 10.0.17763.9376
microsoft windows_server_2012
microsoft windows_server_2016 · … → 10.0.14393.9612
microsoft windows_server_2019 · … → 10.0.17763.9376
microsoft windows_server_2022 · … → 10.0.20348.5761
microsoft windows_server_2025 · … → 10.0.26100.33650

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.

References