Privilege escalation exposes the hidden weakness in IAM strategy

At a glance

What this is: This is an IAM analysis of privilege escalation, showing how compromised low-privilege identities can cross boundaries and reach critical resources.

Why it matters: It matters because IAM teams have to govern humans and NHIs against excessive privilege, indirect paths, and control gaps that attackers can turn into escalation routes.

By the numbers:

• The privilege escalation category accounted for 40% of the vulnerabilities studied.
• 97% of NHIs have excessive privileges.

👉 Read Soffid's analysis of privilege escalation in IAM strategy

Context

Privilege escalation happens when an identity gains access beyond the role it should have. In IAM programmes, that usually reflects a gap between what was provisioned and what was actually enforceable, especially when excessive permissions, default access paths, or unreviewed account settings remain in place.

For human identities, the issue is often weak policy enforcement and over-privileged accounts. For NHIs, the problem gets worse because service accounts, tokens, and secrets often accumulate permissions without the same oversight applied to people, which is why privilege escalation remains a core IAM governance issue.

The article's core point is typical rather than unusual: many organisations still treat access boundaries as if they were static, even though attackers actively test them once an account is compromised.

Key questions

Q: What breaks when privilege creep is left unchecked in IAM programmes?

A: When privilege creep is left unchecked, access no longer matches business need, so users and service accounts retain capabilities that should have expired. That creates a larger blast radius for compromise, increases insider risk, and makes audits unreliable because the entitlement record no longer reflects reality. The safest starting point is to remove unused access before it becomes incident material.

Q: Why do excessive privileges increase escalation risk for NHIs?

A: NHIs often accumulate permissions for convenience, automation, or legacy workflows, then keep them long after the original need has passed. That makes escalation easier because service accounts, tokens, and secrets can already reach sensitive functions once compromised. The risk is not only compromise, but the amount of work the attacker no longer has to do.

Q: How can security teams tell whether privileged access reviews are actually working?

A: They are working when every privileged entitlement is inventoried, every decision is traceable, and revoked access is removed from all connected systems without delay. If the organisation can only show approvals but not downstream revocation, the review is administrative recordkeeping rather than governance. Proof of removal is the best maturity signal.

Q: Who is accountable when a compromised identity is used for intrusion and exfiltration?

A: Accountability sits with the teams that own identity lifecycle, access governance, and incident response, because they control the evidence needed to confirm abuse and the controls needed to limit it. Frameworks such as MITRE ATT&CK, NIST incident handling guidance, and zero trust principles all assume identity events can be observed and acted on.

Technical breakdown

How privilege escalation works in IAM environments

Privilege escalation starts after an attacker gains a foothold in a low-privilege account and then tests which actions, resources, or trust paths are still reachable. Vertical escalation moves toward higher privileges, while horizontal escalation moves across accounts at a similar level. The practical risk is rarely a single broken control. More often it is a chain of permissive defaults, undocumented access paths, and identity sprawl that makes a compromised account more useful than it should be.

Practical implication: Map privilege pathways end to end, not just direct entitlements, so hidden cross-account paths are visible before attackers find them.

Why excessive privileges create escalation paths

Excessive privilege is the most direct enabler of escalation because it gives an attacker room to act after compromise. Accounts with unnecessary permissions, unencrypted secrets, and poorly defined IAM policies can be used to access functions that were never intended for that identity. In NHI environments, this is amplified by service accounts and API tokens that are often created for a narrow purpose but left with broad operational scope for convenience.

Practical implication: Review every identity for effective permissions, not just assigned roles, and remove access that is not essential to the task.

Why indirect paths are harder to see than obvious misconfigurations

Indirect paths are combinations of groups, nested permissions, and access points that appear harmless in isolation but become dangerous when combined. This is where many IAM reviews fail, because they focus on single entitlements instead of emergent behaviour across the identity graph. The result is a hidden route from low privilege to high-value systems without a single obviously dangerous permission standing out.

Practical implication: Analyse group nesting, inherited roles, and linked accounts together so emergent privilege routes are caught during review.

Threat narrative

Attacker objective: The attacker aims to move from limited account access to broader control over critical resources, data, or privileged functions.

1. Entry begins when an attacker compromises a low-privilege human or non-human identity and gains initial access to the environment.
2. Escalation follows as the attacker abuses excessive permissions, misconfigured accounts, or indirect paths to move toward higher-value resources.
3. Impact occurs when the attacker reaches critical systems or data that were outside the original role boundary and uses that access to complete the objective.

Breaches seen in the wild

• Azure Key Vault privilege escalation exposure — Azure Key Vault Contributor role misconfiguration enabled privilege escalation.
• Cisco DevHub NHI breach — IntelBroker exploited exposed Cisco credentials, API tokens and keys in DevHub.

Read our 52 NHI Breaches Analysis report for a comprehensive view of breaches impacting Non-Human Identities including AI Agents.

NHI Mgmt Group analysis

Privilege escalation is an IAM architecture failure before it is an attack technique. The article is right to frame escalation as a boundary-crossing problem, but the deeper issue is that many IAM models still assume permissions stay where they were originally assigned. Once excess privilege, default access, or inherited paths exist, the control plane is already too permissive. The practitioner conclusion is simple: privilege boundaries must be treated as enforceable architecture, not documentation.

Excessive privilege is the named concept that best explains this risk. Excessive privilege turns routine identities into escalation material because the account already contains more capability than the task requires. That is true for humans, but it becomes more dangerous for NHIs because service accounts and secrets often outlive the workflow that created them. The implication is that entitlement scope, not account count, is the real measure of escalation exposure.

Indirect access paths are the hidden form of privilege creep. IAM teams often look for obvious admin access, but attackers exploit combinations of groups, roles, and inherited permissions that do not look risky alone. This is why flat role reviews miss the real problem. Practitioners need to understand the effective privilege graph, not just the assigned one.

PAM cannot compensate for weak baseline IAM governance. Privileged access controls help when elevated access is tightly scoped, but they do not solve over-permissioned standard accounts, stale non-human credentials, or hidden lateral routes. The control failure starts earlier than PAM activation. The practical conclusion is that PAM, IGA, and NHI governance must be aligned around the same entitlement model.

From our research:

• 97% of NHIs have excessive privileges, according to The State of Non-Human Identity Security.
• From our research: 85% of organisations lack full visibility into third-party vendors connected via OAuth apps, according to The State of Non-Human Identity Security.
• The governance problem is not only access volume. It is access that survives after business need has changed, which is why the 52 NHI Breaches Report remains the better lens for root-cause analysis.

What this signals

Excessive privilege is now a programme design problem, not a point-in-time remediation task. Once effective access is wider than task scope, every later review starts from the wrong baseline. That is why identity teams need to measure privilege reduction across humans and NHIs together, rather than treating them as separate governance silos.

Privilege graph visibility is becoming the control that separates real governance from paperwork. The organisations that can trace nested roles, inherited permissions, and NHI entitlements will spot escalation paths earlier than those relying on role labels alone. For broader context, the Top 10 NHI Issues and the OWASP Non-Human Identity Top 10 both point to the same underlying pressure: unmanaged access scope creates attack-ready identities.

Privilege escalation and NHI sprawl now reinforce each other. As machine identities multiply, the chance of unmanaged permission chains rises with them. Organisations that want fewer escalation paths need to treat entitlement reduction as a lifecycle discipline, not a one-time cleanup, and that is where the Ultimate Guide to NHIs , Key Challenges and Risks becomes operationally useful.

For practitioners

• Inventory effective privilege paths Map how low-privilege accounts can reach sensitive resources through groups, inherited roles, service accounts, and shared tokens. Focus on effective access, not only role names, so hidden escalation routes are visible during review.
• Remove excessive permissions from NHIs and standard users Prioritise the accounts with broad access that is not required for day-to-day operation. For NHIs, reduce standing permissions on tokens, API keys, and service accounts to the minimum workflow scope.
• Audit indirect paths before privilege reviews Examine nested groups, inherited entitlements, and transitive access chains before recertification. A clean-looking account can still provide access to sensitive systems through combined permissions.
• Pair IAM with monitoring for escalation patterns Use activity monitoring to detect when an identity begins enumerating permissions, probing resources, or accessing systems outside its normal operating boundary. Escalation is often visible in behaviour before it becomes visible in impact.

Key takeaways

• Privilege escalation succeeds when identity boundaries exist on paper but not in effective access.
• The strongest evidence in the article is that both Microsoft vulnerability data and NHIMG research point to a large, persistent escalation surface.
• The control that matters most is reducing effective privilege and exposing indirect access paths before compromise occurs.

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.
• Effective Access: The actual permissions an identity can exercise after inheritance, nested groups, delegation, and object-level controls are evaluated. In Active Directory, effective access is more useful than direct membership because it reveals the true operational reach of a service account.
• Over-Privilege: Over-privilege is the state where an identity holds more access than the work requires. In IAM and NHI programs, it usually emerges from role drift, delayed offboarding, emergency exceptions, and copied permissions that are never removed.
• Indirect Access: Access that a user receives through a group, role, or rule rather than through an explicit individual grant. It matters because indirect access can hide the original reason a permission exists, making reviews, remediation, and least-privilege enforcement harder unless the entitlement path is tracked clearly.

What's in the full article

Soffid's full article covers the operational detail this post intentionally leaves for the source:

• The article's examples of how privilege escalation emerges from improperly configured accounts and default settings
• The IAM, PAM, and monitoring controls Soffid groups together as a defence model
• How its access management, privileged access, and ITDR components are positioned across identities
• The article's cross-sector examples and product context for organisations planning implementation

👉 Soffid's full article covers the configuration pitfalls, IAM controls, and monitoring layers behind escalation risk.

Deepen your knowledge

NHI governance, agentic AI identity, and machine identity lifecycle are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are building or maturing an IAM programme, it is worth exploring.