Independent analysis by NHI Mgmt GroupSource article: Zluri, “Privilege Escalation in Identity Security: How Attackers Climb Through Access Your Governance Program Missed” (June 25, 2026)

TL;DR: Privilege escalation usually succeeds through entitlement gaps such as dormant elevated permissions, over-permissioned service accounts, shadow admin patterns, and entitlement drift, according to Zluri. The real failure is governance, because access reviews, PAM, and least-privilege models often stop short of the full entitlement surface.

At a glance

What this is: NHI Mgmt Group's analysis, drawing on Zluri's blog post: Privilege escalation in identity security emerges from hidden entitlement gaps rather than software exploits.

Why it matters: It matters because IAM, PAM, and IGA teams have to govern effective access, not just named privileged accounts, if they want to reduce escalation paths across human and non-human identities.

Context

Privilege escalation in identity security is the point where a low-privilege foothold becomes elevated control because the environment already contains permissions that should not have been left in place. In this article, the core problem is not a new exploit technique but the gap between formal access policy and actual entitlement state across human and non-human identities.

Zluri argues that the governance blind spot sits in entitlement accumulation. Roles drift, service accounts grow broader than intended, and dormant admin paths remain available long after the business need has changed. That makes privilege escalation less about a single breach vector and more about unmanaged access history.

The article is also clear that non-human identities are a major part of the problem space. Service accounts, API keys, OAuth tokens, and machine identities often sit outside human-centric review processes, which leaves escalation pathways visible to attackers but not to governance teams.

Key questions

Q: What breaks when privilege is still managed as an account problem?

A: When privilege is still managed as an account problem, security teams miss the action-level permissions that actually create risk. A token, API key, or workload identity may look harmless in inventory while still being able to execute sensitive operations. That gap leaves runtime access unchecked and makes blast radius harder to contain.

Q: Why do entitlement gaps create escalation risk even without a CVE?

A: Because attackers can use whatever elevated access already exists in the environment. If a role drifted, a service account stayed broad, or a configuration credential was never rotated, the attacker does not need a software exploit. The risk comes from governance decisions that left usable privilege in place.

Q: How do security teams detect shadow admin patterns in practice?

A: They evaluate the combined effect of permissions, not just the role label attached to an identity. A user who can reset passwords, modify groups, and access audit logs may have administrative capability even if no admin role is assigned. The test is effective power, not title.

Q: How should organisations govern non-human identities across their environment?

A: Start by inventorying every machine identity, assigning a human owner, and tying each one to a business purpose. Then apply routine access review, least privilege, and revocation for stale accounts. NHIs should be governed as accountable identities, not as background infrastructure that can be left unmanaged.

Technical breakdown

How entitlement drift creates privilege escalation paths

Entitlement drift is the divergence between what an identity was meant to have and what it still has after roles, projects, and responsibilities change. In practice, this means permissions granted for a temporary need remain in place and become usable escalation paths later. The article shows that attackers do not need to create the weakness. They only need to find the permission state that governance failed to reconcile with current need. This is why privilege escalation is often a lifecycle problem, not a point-in-time control failure.

Practical implication: govern the full entitlement lifecycle, not just initial provisioning, so drift cannot become a reusable escalation path.

Why shadow admin patterns evade role-based controls

Shadow admins are identities that do not look privileged on paper but can perform privileged actions when permissions are combined. A user may not hold an administrator role, yet still be able to reset passwords, alter group membership, and read audit data. That combination produces administrative reach without an explicit admin label. Standard access models miss this because they inspect permissions individually rather than evaluating the effective power created by permission sets in combination.

Practical implication: review effective access combinations, not just role titles, so hidden administrative capability is surfaced before an attacker does.

Why non-human identities widen the escalation surface

Service accounts and other non-human identities are often provisioned broadly so integrations keep working, then left untouched for long periods. They do not pass through HR-based lifecycle events, and they are frequently excluded from the same review rigor applied to human users. That creates standing privilege that can be reused for escalation even when the original business purpose has ended. The article’s core message is that this is not a niche exception but a structural governance gap across the machine identity estate.

Practical implication: bring service accounts and machine identities into the same entitlement review and offboarding discipline as human accounts.

Threat narrative

Attacker objective: The attacker’s objective is to turn an ordinary account compromise into administrative reach over systems, data, or identity infrastructure.

  1. Entry begins with a low-privilege compromise such as a phished credential, credential stuffing, or an orphaned account that still exists after the user left.
  2. The attacker discovers dormant or over-permissioned access, then uses a service account or permission combination to move from ordinary access into elevated control.
  3. Escalation continues when the attacker finds additional stored credentials or admin-capable configuration access that was never rotated or restricted.
  4. Impact occurs when the attacker reaches administrative access to systems or data that the original foothold could not touch, without exploiting a CVE.

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NHI Mgmt Group analysis

Privilege escalation in identity security is mostly a governance failure, not a vulnerability problem. The article is right to separate CVE-driven compromise from entitlement-driven escalation. When elevated access already exists in the environment, the attacker’s job is discovery, not exploitation. That shifts the security conversation from patching to entitlement governance, which is where most programmes are still underbuilt.

Shadow admin patterns are the clearest sign that effective access has outgrown role design. A user does not need an admin label to function as an admin if the permission set produces administrative power in combination. This is the kind of failure access reviews miss when they validate individual entitlements instead of analysing effective privilege. The implication is that role-based language can conceal privilege concentration rather than reduce it.

Non-human identities are now the most under-governed escalation vector in the enterprise. Service accounts, API keys, and OAuth tokens routinely persist beyond their business purpose and sit outside human-centric lifecycle controls. That makes machine identity governance a core privilege-escalation discipline, not a specialised subtopic. Organisations that do not include non-human identities in lifecycle review are protecting the wrong part of the estate.

Privilege escalation exposes an identity blast radius problem. The real issue is not simply who has access, but how far an attacker can travel once one identity is compromised. Entitlement drift, dormant elevated permissions, and over-permissioned integrations widen that blast radius across human and machine identities alike. The practitioner conclusion is blunt: effective access must be governed as a dynamic exposure surface, not a static approval record.

Access review programmes fail when they are designed for compliance closure rather than effective-risk reduction. The article shows that check-the-box reviews can complete without changing the underlying entitlement state. That leaves the governance model intact on paper while attack paths remain open in practice. Security teams need to treat review quality, coverage, and entitlement analysis as the real control outcome.

From our research library:

What this signals

Identity blast radius: privilege escalation should be treated as a measure of how far one compromised identity can move through the enterprise. The wider the entitlement gap between formal role and actual access, the larger that blast radius becomes, especially when machine identities sit outside normal review loops.

Access reviews have to shift from compliance closure to exposure reduction. If reviewers only approve or deny listed entitlements without analysing effective privilege and permission combinations, the programme will preserve hidden administrative reach instead of removing it.

For practitioners

  • Map effective access, not just role assignments Inventory permission combinations that produce administrative capability, especially where no explicit admin role exists. Treat shadow admin patterns as a control failure in the effective-entitlement layer.
  • Extend reviews to non-human identities Bring service accounts, API keys, OAuth tokens, and other machine identities into the same review cycle as human users. Include ownership, purpose, and current entitlement scope in every review.
  • Tighten dormant elevated access removal Identify elevated permissions created for temporary projects, migrations, or emergencies and remove them when the use case ends. Prioritise accounts that have not been touched in long periods.
  • Analyse drift at the permission level Compare approved access against actual permission state so you can see when access has expanded beyond the current role. Use this to catch entitlement drift before it becomes an escalation path.

Key takeaways

  • Privilege escalation in identity security is usually enabled by governance gaps, not by a new software flaw.
  • The article shows that dormant elevated permissions, shadow admin patterns, and over-permissioned service accounts create real escalation paths.
  • Closing the gap means governing effective access across human and non-human identities, not just checking privileged account boxes.

Standards & Framework Alignment

This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.

OWASP Non-Human Identity Top 10 and MITRE ATT&CK address the attack and risk surface, while NIST SP 800-53 Rev 5 and CIS Controls v8 set the governance and control requirements practitioners need to meet.

FrameworkControl / ReferenceRelevance
OWASP Non-Human Identity Top 10NHI-05 — Overprivileged NHIThe article centers on excess permissions creating escalation paths for machine identities.
NHI-07 — Long-Lived SecretsThe article references unrotated admin credentials and persistent access paths.
NHI-01 — Improper OffboardingOrphaned accounts and retained access after role change are part of the escalation path.
Recommendation — Reduce overprivileged non-human access by scoping machine entitlements to current business function. Rotate long-lived secrets and remove standing credentials that can be reused for escalation. Offboard identities promptly and revoke access that no longer maps to an active business need.
NIST SP 800-53 Rev 5AC-6 — Least PrivilegeLeast privilege is the core control principle the article shows is routinely violated.
Recommendation — Apply least privilege to remove unused access and prevent entitlement creep across identities.
CIS Controls v8CIS-5 — Account ManagementThe article focuses on account sprawl, stale access, and unmanaged privileged accounts.
Recommendation — Centralise account management to find and remove stale privileged access across the estate.
MITRE ATT&CKTA0006;TA0008 — Credential Access; Lateral MovementThe article’s attack path moves from compromised access to broader reach through entitlements.
Recommendation — Map escalation paths to credential access and lateral movement so detection covers entitlement abuse.

Key terms

  • Privilege Escalation: An attack technique where a compromised identity, often an NHI with initially limited permissions, exploits vulnerabilities or misconfigurations to gain elevated access rights, typically leading to broader compromise.
  • Entitlement Drift: Entitlement drift is the slow accumulation of permissions that no longer match the original purpose, role, or workload. In cloud-native and NHI-heavy environments, it usually happens because access changes faster than review cycles, leaving organizations with more privilege than they intended.
  • Shadow admin: A shadow admin is an account or role with elevated privileges that exists outside normal governance, monitoring, or approval workflows. These accounts often appear through cloud sprawl, delegated access, or temporary exceptions, and they create hidden pathways for misuse, accidental overreach, or compromise.
  • Non-Human Identity (NHI): A digital identity assigned to a non-human entity such as a software application, service account, API key, bot, machine, or AI agent that enables it to authenticate and interact with systems without direct human involvement. NHIs now outnumber human identities in most enterprises by 25 to 50 times.

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NHIMG Editorial Note
Published by the NHIMG editorial team on June 27, 2026.
Updated on October 8, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org