Never mind, Vista doesn't have powershell.

wchen-r7 · wchen-r7 · commit 4f0e908c8b3f · 2015-05-27T18:08:58.000-05:00
diff --git a/modules/exploits/windows/browser/ms14_064_ole_code_execution.rb b/modules/exploits/windows/browser/ms14_064_ole_code_execution.rb
@@ -55,12 +55,6 @@ def initialize(info={})
               'os_name' => OperatingSystems::Match::WINDOWS_XP
             }
           ],
-          [
-            'Windows Vista',
-              {
-                'os_name' => OperatingSystems::Match::WINDOWS_VISTA
-              }
-          ],
           [
             'Windows 7',
               {

Original file line number	Diff line number	Diff line change
`@@ -55,12 +55,6 @@ def initialize(info={})`
`55`	`55`	`'os_name' => OperatingSystems::Match::WINDOWS_XP`
`56`	`56`	`}`
`57`	`57`	`],`
`58`		`- [`
`59`		`- 'Windows Vista',`
`60`		`- {`
`61`		`- 'os_name' => OperatingSystems::Match::WINDOWS_VISTA`
`62`		`- }`
`63`		`- ],`
`64`	`58`	`[`
`65`	`59`	`'Windows 7',`
`66`	`60`	`{`