STIGs
DISA's Security Technical Implementation Guides for the operating systems and products the Register follows: every rule by severity with its check and fix, what it maps to in NIST SP 800-53 through DISA's Control Correlation Identifiers, what changed in the latest release, and what CISA says about the platform.
Windows 3 STIGs
Windows 11, Windows Server and Active Directory.
| STIG | Version | Published | CAT I | CAT II | CAT III | Against the previous version |
|---|---|---|---|---|---|---|
| Microsoft Windows 11 | V2R11 | 2026-10-05 | 27 | 215 | 15 | first version loaded · loaded 15 Oct |
| Microsoft Windows Server 2022 | V2R11 | 2026-10-05 | 31 | 235 | 11 | first version loaded · loaded 17 Oct |
| Microsoft Windows Server 2025 | V1R4 | 2026-10-05 | 31 | 249 | 11 | first version loaded · loaded 15 Oct |
Linux 4 STIGs
Red Hat Enterprise Linux, Ubuntu, Oracle Linux, SUSE and the other UNIX-like systems.
| STIG | Version | Published | CAT I | CAT II | CAT III | Against the previous version |
|---|---|---|---|---|---|---|
| Canonical Ubuntu 22.04 LTS | V2R10 | 2026-10-05 | 16 | 158 | 17 | first version loaded · loaded 17 Oct |
| Canonical Ubuntu 24.04 LTS | V1R7 | 2026-10-05 | 17 | 161 | 17 | first version loaded · loaded 15 Oct |
| Red Hat Enterprise Linux 10 | V1R3 | 2026-10-05 | 31 | 399 | 5 | first version loaded · loaded 17 Oct |
| Red Hat Enterprise Linux 9 | V2R10 | 2026-10-05 | 29 | 401 | 15 | first version loaded · loaded 15 Oct |
macOS 2 STIGs
Apple macOS by release.
| STIG | Version | Published | CAT I | CAT II | CAT III | Against the previous version |
|---|---|---|---|---|---|---|
| Apple macOS 15 (Sequoia) | V1R8 | 2026-10-05 | 11 | 147 | 2 | first version loaded · loaded 17 Oct |
| Apple macOS 26 (Tahoe) | V1R4 | 2026-10-05 | 13 | 145 | 2 | first version loaded · loaded 17 Oct |
Mobile 5 STIGs
iOS, iPadOS, Android and the MDM servers that manage them.
| STIG | Version | Published | CAT I | CAT II | CAT III | Against the previous version |
|---|---|---|---|---|---|---|
| Apple iOS/iPadOS 26 | V1R3 | 2026-07-13 | 3 | 60 | 25 | first version loaded · loaded 20 Oct |
| Apple iOS/iPadOS 27 | V1R1 | 2026-10-13 | 4 | 60 | 25 | first version loaded · loaded 20 Oct |
| Google Android 16 COBO | Y26M10 | 2026-10-06 | 3 | 30 | 7 | first version loaded · loaded 20 Oct |
| Google Android 17 COBO | Y26M06 | 2026-07-16 | 2 | 35 | 7 | first version loaded · loaded 20 Oct |
| Samsung Android 16 COBO | Y26M10 | 2026-10-05 | 2 | 33 | 8 | first version loaded · loaded 20 Oct |
Browsers 3 STIGs
Microsoft Edge, Google Chrome and Mozilla Firefox.
| STIG | Version | Published | CAT I | CAT II | CAT III | Against the previous version |
|---|---|---|---|---|---|---|
| Google Chrome Current Windows | V2R11 | 2025-08-07 | 0 | 44 | 2 | first version loaded · loaded 17 Oct |
| Microsoft Edge | V2R5 | 2026-04-07 | 1 | 50 | 10 | first version loaded · loaded 17 Oct |
| Mozilla Firefox | V6R9 | 2026-10-05 | 2 | 29 | 2 | first version loaded · loaded 17 Oct |
Network devices 1 STIG
Routers, switches, firewalls and VPNs.
| STIG | Version | Published | CAT I | CAT II | CAT III | Against the previous version |
|---|---|---|---|---|---|---|
| Cisco IOS XE Router NDM | Y26M04 | 2026-04-07 | 8 | 34 | 0 | first version loaded · loaded 15 Oct |
Applications 1 STIG
Application security and development, office suites, databases and servers.
| STIG | Version | Published | CAT I | CAT II | CAT III | Against the previous version |
|---|---|---|---|---|---|---|
| Application Security and Development | V6R5 | 2026-10-05 | 34 | 230 | 22 | first version loaded · loaded 15 Oct |