{ ATTACK_PATHS }

Attack Paths in Active Directory: From a Quiet Foothold to Domain Control

Attack Paths July 2026

Active Directory rarely falls to a single flaw. It falls to a chain: a quiet foothold, a recovered credential, a misused privilege, and a route to a domain controller. This defensive write-up walks through how those steps connect and, more usefully, where a single change breaks the whole path.

Key details

Affected technology: Active Directory (Windows domain environments)
Reference ID: MTH-RESEARCH-2026-02 (internal research reference, no CVE assigned)
Severity: Contextual, high when the steps are chainable
Researcher: Mind The Hack Offensive Security Research
Disclosure status: General defensive research, no vendor-specific disclosure
Publication date: July 2026

What we found

A recurring path begins with an account configured without Kerberos pre-authentication, which lets an attacker recover material to crack offline. From a recovered domain credential, a delegation misconfiguration can be abused to obtain a privileged service ticket, and from there an attacker can reach a domain controller. Each step is unremarkable on its own. Together they form a straight line from a low-noise foothold to full domain control.

The important observation is structural: the steps converge on a small number of chokepoints. Removing one of them, for example correcting the delegation misconfiguration or protecting the exposed account, collapses the path even if the other weaknesses remain. That is why the team maps the chain rather than scoring the findings in isolation.

Why it matters

Reported as isolated findings, these misconfigurations often sit at medium severity and get deprioritized. Reconstructed as a chain, they represent a credible route to the most valuable systems in the environment. Understanding the path, not just the points, is what lets defenders spend one unit of effort to remove many units of risk.

Responsible disclosure

This write-up describes well-understood configuration weaknesses and the defensive lessons around them, not a novel vendor vulnerability, so no coordinated vendor disclosure applies. When research does uncover a previously unknown product flaw, Mind The Hack notifies the vendor privately first and publishes only defensive detail, after a fix is available or a disclosure deadline is reached.

Remediation

Require Kerberos pre-authentication and monitor for accounts that disable it.
Constrain or remove unnecessary delegation, and review it as configuration, not a one-time task.
Tier administrative access so a single compromised credential cannot reach a domain controller.
Map exposures as attack paths and prioritize the chokepoints that break the most chains.