Cyber Resilience

NIST 800-53 r5 · Controls catalogue · Family AC

AC-6Least Privilege

Employ the principle of least privilege, allowing only authorized accesses for users (or processes acting on behalf of users) that are necessary to accomplish assigned organizational tasks.

Last updated: 22 August 2026 07:11 UTC

Implementations targeting this control (1)

ATT&CK techniques this control mitigates (268)

Weaknesses this control addresses (8)AI-assisted

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-284Improper Access Control6,900+Supports proper access control through restriction to only authorized necessary accesses.
CWE-269Improper Privilege Management3,400+Implements core proper privilege management by restricting to only required rights.
CWE-732Incorrect Permission Assignment for Critical Resource1,900+Prevents overly permissive assignments to critical resources by limiting to task needs.
CWE-276Incorrect Default Permissions1,800+Guides setting of default permissions to the minimum required level.
CWE-285Improper Authorization1,500+Requires authorization to grant only the minimal privileges needed for tasks.
CWE-266Incorrect Privilege Assignment1,000+Ensures privileges are assigned only as necessary rather than incorrectly over-granted.
CWE-250Execution with Unnecessary Privileges300+Directly prevents execution with more privileges than needed for assigned tasks.
CWE-272Least Privilege Violation38Enforces the least privilege principle to avoid violations of minimal necessary access.

Top CVEs where this control is the strongest mitigation

CVE Risk CVSS EPSS Match
CVE-2025-31201 KEV 9.99.80.1465good
CVE-2026-48172 KEV 9.99.80.1891good
CVE-2024-28000 9.89.80.6827good
CVE-2025-27007 9.49.80.5148good
CVE-2025-12420 9.29.80.4607good
CVE-2024-1222 8.98.60.6398good
CVE-2025-47539 8.99.80.3320good
CVE-2026-23550 8.69.80.2063good
CVE-2025-41244 KEV 8.57.80.0788good
CVE-2025-41115 8.510.00.1691good
CVE-2026-33825 KEV 8.57.80.0675good
CVE-2026-56155 KEV8.57.80.0233good
CVE-2024-38813 KEV 8.37.50.1736good
CVE-2025-34515 8.19.80.0745good
CVE-2025-49388 8.09.80.0538good
CVE-2024-24882 7.79.80.0211good
CVE-2024-54363 7.79.80.0189good
CVE-2025-342747.79.80.0194good
CVE-2023-52030 7.69.80.0154good
CVE-2024-25421 7.69.80.0165good
CVE-2024-27143 7.59.80.0111good
CVE-2024-36539 7.59.80.0126good
CVE-2024-50485 7.59.80.0098good
CVE-2024-54383 7.59.80.0114good
CVE-2025-106447.59.40.0300good

Other controls in family AC

AC-1 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-7 AC-8 AC-9