IT

Tracker / CVE-2026-26154

CVE-2026-26154

High 7.5

Improper input validation in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.

Affected products and versions

microsoft windows_server_2012
microsoft windows_server_2016 · … → 10.0.14393.9060
microsoft windows_server_2019 · … → 10.0.17763.8644
microsoft windows_server_2022 · … → 10.0.20348.5020
microsoft windows_server_2022_23h2 · … → 10.0.25398.2274
microsoft windows_server_2025 · … → 10.0.26100.32690

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