Cyber Posture

NIST 800-53 r5 · Controls catalogue · Family AC

AC-1Policy and Procedures

Develop, document, and disseminate to {{ insert: param, ac-1_prm_1 }}: {{ insert: param, ac-01_odp.03 }} access control policy that: Addresses purpose, scope, roles, responsibilities, management commitment, coordination among organizational entities, and compliance; and Is consistent with applicable laws, executive orders, directives, regulations, policies, standards, and guidelines; and Procedures to facilitate the implementation of the access control policy and the associated access controls; Designate an {{ insert: param, ac-01_odp.04 }} to manage the development, documentation, and dissemination of the access control policy and procedures; and Review and update the current access control: Policy {{ insert: param, ac-01_odp.05 }} and following {{ insert: param, ac-01_odp.06 }} ; and Procedures {{ insert: param, ac-01_odp.07 }} and following {{ insert: param, ac-01_odp.08 }}.

Last updated: 09 May 2026 03:25 UTC

Implementations targeting this control (0)

ATT&CK techniques this control mitigates (0)

Weaknesses this control addresses (10)AI

CWEs ranked by how often they appear in real CVEs. The rationale describes how this control reduces exploitability of each weakness class.

CWE Name CVEs Why this control addresses it
CWE-862Missing Authorization8,680Requiring an access control policy ensures authorization checks are defined and applied for critical functions.
CWE-284Improper Access Control4,832The access control policy and procedures directly mandate and enforce proper access control mechanisms across the organization.
CWE-863Incorrect Authorization3,234Periodic review and update of procedures reduces incorrect authorization implementations over time.
CWE-269Improper Privilege Management2,907Policy addresses roles, responsibilities, and privilege management to prevent improper privilege assignments.
CWE-732Incorrect Permission Assignment for Critical Resource1,824Procedures support proper permission assignment for critical resources through documented controls.
CWE-276Incorrect Default Permissions1,757Access control policy can specify and enforce secure default permissions for resources.
CWE-285Improper Authorization1,230Documented procedures facilitate correct implementation and ongoing management of authorization decisions.
CWE-266Incorrect Privilege Assignment826Designation of a manager and policy dissemination ensures privileges are assigned according to defined roles.
CWE-250Execution with Unnecessary Privileges305Policy promotes least privilege by defining necessary privileges and management commitment to them.
CWE-272Least Privilege Violation25Review and update requirements help detect and correct least privilege violations in practice.

Top CVEs where this control is the strongest mitigation

CVE Risk CVSS EPSS Match
No CVEs annotated to this control yet — the per-CVE backfill is in progress.

Other controls in family AC

AC-10 AC-11 AC-12 AC-13 AC-14 AC-15 AC-16 AC-17 AC-18 AC-19 AC-2 AC-20 AC-21 AC-22 AC-23 AC-24 AC-25 AC-3 AC-4 AC-5 AC-6 AC-7 AC-8 AC-9