Will be released on March 11 @1:00 pm EDT Windows Operating System and Components
Windows XP
| Bulletin Identifier | Bulletin 1 | Bulletin 2 | Bulletin 3 | Bulletin 4 |
| Aggregate Severity Rating | Critical | Critical | Important | Important |
| Windows XP Service Pack 3 | Internet Explorer 6 (Critical) Internet Explorer 7 (Critical) Internet Explorer 8 (Critical) | Windows XP Service Pack 3 (Critical) | Windows XP Service Pack 3 (Important) | Windows XP Service Pack 3 (Important) |
| Windows XP Professional x64 Edition Service Pack 2 | Internet Explorer 6 (Critical) Internet Explorer 7 (Critical) Internet Explorer 8 (Critical) | Windows XP Professional x64 Edition Service Pack 2 (Critical) | Windows XP Professional x64 Edition Service Pack 2 (Important) | Windows XP Professional x64 Edition Service Pack 2 (Important) |
| Windows Vista | ||||
| Bulletin Identifier | Bulletin 1 | Bulletin 2 | Bulletin 3 | Bulletin 4 |
| Aggregate Severity Rating | Critical | Critical | Important | Important |
| Windows Vista Service Pack 2 | Internet Explorer 7 (Critical) Internet Explorer 8 (Critical) Internet Explorer 9 (Critical) | Windows Vista Service Pack 2 (Critical) | Windows Vista Service Pack 2 (Important) | Windows Vista Service Pack 2 (Important) |
| Windows Vista x64 Edition Service Pack 2 | Internet Explorer 7 (Critical) Internet Explorer 8 (Critical) Internet Explorer 9 (Critical) | Windows Vista x64 Edition Service Pack 2 (Critical) | Windows Vista x64 Edition Service Pack 2 (Important) | Windows Vista x64 Edition Service Pack 2 (Important) |
| Windows 7 | ||||
| Bulletin Identifier | Bulletin 1 | Bulletin 2 | Bulletin 3 | Bulletin 4 |
| Aggregate Severity Rating | Critical | Critical | Important | None |
| Windows 7 for 32-bit Systems Service Pack 1 | Internet Explorer 8 (Critical) Internet Explorer 9 (Critical) Internet Explorer 10 (Critical) Internet Explorer 11 (Critical) | Windows 7 for 32-bit Systems Service Pack 1 (Critical) | Windows 7 for 32-bit Systems Service Pack 1 (Important) | Not applicable |
| Windows 7 for x64-based Systems Service Pack 1 | Internet Explorer 8 (Critical) Internet Explorer 9 (Critical) Internet Explorer 10 (Critical) Internet Explorer 11 (Critical) | Windows 7 for x64-based Systems Service Pack 1 (Critical) | Windows 7 for x64-based Systems Service Pack 1 (Important) | Not applicable |
| Windows 8 and Windows 8.1 | ||||
| Bulletin Identifier | Bulletin 1 | Bulletin 2 | Bulletin 3 | Bulletin 4 |
| Aggregate Severity Rating | Critical | Critical | Important | None |
| Windows 8 for 32-bit Systems | Internet Explorer 10 (Critical) | Windows 8 for 32-bit Systems (Critical) | Windows 8 for 32-bit Systems (Important) | Not applicable |
| Windows 8 for x64-based Systems | Internet Explorer 10 (Critical) | Windows 8 for x64-based Systems (Critical) | Windows 8 for x64-based Systems (Important) | Not applicable |
| Windows 8.1 for 32-bit Systems | Internet Explorer 11 (Critical) | Windows 8.1 for 32-bit Systems (Critical) | Windows 8.1 for 32-bit Systems (Important) | Not applicable |
| Windows 8.1 for x64-based Systems | Internet Explorer 11 (Critical) | Windows 8.1 for x64-based Systems (Critical) | Windows 8.1 for x64-based Systems (Important) | Not applicable |
| Windows RT and Windows RT 8.1 | ||||
| Bulletin Identifier | Bulletin 1 | Bulletin 2 | Bulletin 3 | Bulletin 4 |
| Aggregate Severity Rating | Critical | None | Important | None |
| Windows RT | Internet Explorer 10 (Critical) | Not applicable | Windows RT (Important) | Not applicable |
| Windows RT 8.1 | Internet Explorer 11 (Critical) | Not applicable | Windows RT 8.1 (Important) | Not applicable |