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NCP MENU General Expand or Collapse Glossary NCP FAQs - General Users NCP FAQs - Vendors and Checklist Developers NCP Special Publication Checklist Repository Data Feeds Participant Material CCE Expand or Collapse CCE - FAQs Contact NCP Other Sites Expand or Collapse Security Content Automation Protocol (SCAP) National Vulnerability Database (NVD) Information Technology Laboratory National Checklist Program National Checklist Program NCP General Expand or Collapse Glossary NCP FAQs - General Users NCP FAQs - Vendors and Checklist Developers NCP Special Publication Checklist Repository Data Feeds Participant Material CCE Expand or Collapse CCE - FAQs Contact NCP Other Sites Expand or Collapse Security Content Automation Protocol (SCAP) National Vulnerability Database (NVD) CCE Platform Listing Common Configuration Enumeration (CCE) provides unique identifiers to system configuration issues in order to facilitate fast and accurate correlation of configuration data across multiple information sources and tools. For example, CCE Identifiers can be used to associate checks in configuration assessment tools with statements in configuration best-practice. Checklist developers can request a block of CCEs by sending mail to [emailprotected]. Completed CCE mappings, question and comments can also be sent to the same address. CCE List The current release of CCE is 5.20251209 (CCE Version 5, updated on December 9, 2025). A ChangeLog is available that details the changes since the last release, 5.20250915. DOWNLOADS (MS Excel format) DATE UPDATED CCE v5 - All Platform Groups-COMBINED FILE (Excel) (2329 KB) December 9, 2025 CCE v5 - Apple iOS 18 (110 KB) December 9, 2025 CCE v5 - Apple iOS 26 (110 KB) December 9, 2025 CCE v5 - Apple macOS Sequoia (429 KB) December 9, 2025 CCE v5 - Apple macOS Sonoma (405 KB) December 9, 2025 CCE v5 - Apple macOS Tahoe (433 KB) December 9, 2025 CCE v5 - Apple visionOS 26 (405 KB) December 9, 2025 CCE v5 - Apple iOS 16 (62 KB) September 15, 2025 CCE v5 - Apple iOS 17 (94 KB) September 15, 2025 CCE v5 - Apple macOS Monterey (360 KB) September 15, 2025 CCE v5 - Apple macOS Ventura (380 KB) September 15, 2025 CCE v5 - Apple visionOS 2.0 (42 KB) September 15, 2025 CCE v5 - Apple macOS Bigsur (347 KB) July 13, 2022 CCE v5 - Apple macOS Catalina (297 KB) July 13, 2022 CCE v5 - SUSE Linux Enterprise Server 15 (131 KB) July 13, 2022 CCE v5 - HP-UX 11.23 (202 KB) May 6, 2022 CCE v5 - Red Hat Enterprise Linux 6 (113 KB) October 21, 2020 CCE v5 - Red Hat Enterprise Linux 7 (162 KB) October 21, 2020 CCE v5 - Red Hat Enterprise Linux 8 (137 KB) October 21, 2020 CCE v5 - Red Hat OpenShift Container 3 (15 KB) October 21, 2020 CCE v5 - VMware (37 KB) October 21, 2020 CCE v5 - Apache HTTP 1.3 (47 KB) February 14, 2013 CCE v5 - Apache HTTP 2.0 (97 KB) February 14, 2013 CCE v5 - Apache HTTP 2.2 (123 KB) February 14, 2013 CCE v5 - Apache Tomcat 4 (71 KB) February 14, 2013 CCE v5 - Apache Tomcat 5 (48 KB) February 14, 2013 CCE v5 - Apache Tomcat 6 (47 KB) February 14, 2013 CCE v5 - IIS 5 (53 KB) February 14, 2013 CCE v5 - IIS 6 (80 KB) February 14, 2013 CCE v5 - MS SQL 2000 (48 KB) February 14, 2013 CCE v5 - MS SQL 2005 (82 KB) February 14, 2013 CCE v5 - Microsoft Office 2007 (519 KB) February 14, 2013 CCE v5 - Microsoft Office 2010 (986 KB) February 14, 2013 CCE v5 - Polycom HDX 3.X (260 KB) May 21, 2012 CCE v5 - Windows 7 (537 KB) May 21, 2012 CCE v5 - Internet Explorer 7 (260 KB) March 14, 2012 CCE v5 - Microsoft Exchange 2007 (241 KB) March 14, 2012 CCE v5 - Microsoft Exchange 2010 (245 KB) March 14, 2012 CCE v5 - Windows Server 2008 (269 KB) March 14, 2012 CCE v5 - Windows Server 2008 R2 (505 KB) March 14, 2012 CCE v5 - Windows Vista (354 KB) March 14, 2012 CCE v5 - Windows XP (525 KB) March 14, 2012 CCE v5 - Oracle WebLogic Server 11g (184 KB) October 7, 2011 CCE v5 - Red Hat Enterprise Linux 5 (261 KB) October 7, 2011 CCE v5 - Internet Explorer 8 (906 KB) September 26, 2010 CCE v5 - Sun Solaris 10 (211 KB) April 28, 2010 CCE v5 - Windows 2000 (352 KB) April 28, 2010 CCE v5 - Windows Server 2003 (342 KB) April 28, 2010 CCE v5 - AIX 5.3 (226 KB) May 6, 2009 CCE v5 - Red Hat Enterprise Linux 4 (213 KB) May 6, 2009 CCE v5 - Sun Solaris 8 (219 KB) May 6, 2009 CCE v5 - Sun Solaris 9 (231 KB) May 6, 2009 CCE to SP 800-53 Mappings (Beta) DATE UPDATED Beta CCE to 800-53 Mappings (GZ) - 0.43MB December 2, 2015 Beta CCE to 800-53 Mappings (ZIP) - 0.43MB December 2, 2015 NVD CCE V2.0 Schema December 2, 2015 X (link is external) facebook (link is external) linkedin (link is external) youtube (link is external) rss govdelivery (link is external) HEADQUARTERS 100 Bureau Drive Gaithersburg, MD 20899 (301) 975-2000 Webmaster | Contact Us | Our Other Offices Incident Response Assistance and Non-NVD Related Technical Cyber Security Questions: US-CERT Security Operations Center Email: [emailprotected] Phone: 1-888-282-0870 Site Privacy | Accessibility | Privacy Program | Copyrights | Vulnerability Disclosure | No Fear Act Policy | FOIA | Environmental Policy | Scientific Integrity | Information Quality Standards | Commerce.gov | Science.gov | USA.gov