1 files changed, 10 insertions, 2 deletions

diff --git a/src/ext/Util/ca/RemoveFoldersEx.cpp b/src/ext/Util/ca/RemoveFoldersEx.cpp
index 10345de7..9523dda7 100644
--- a/src/ext/Util/ca/RemoveFoldersEx.cpp
+++ b/src/ext/Util/ca/RemoveFoldersEx.cpp
@@ -38,6 +38,14 @@ static HRESULT RecursePath(
     }
 #endif
 
+    // Do NOT follow junctions.
+    DWORD dwAttributes = ::GetFileAttributesW(wzPath);
+    if (dwAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
+    {
+        WcaLog(LOGMSG_STANDARD, "Path is a junction; skipping: %ls", wzPath);
+        ExitFunction();
+    }
+
     // First recurse down to all the child directories.
     hr = StrAllocFormatted(&sczSearch, L"%s*", wzPath);
     ExitOnFailure(hr, "Failed to allocate file search string in path: %S", wzPath);
@@ -210,10 +218,10 @@ extern "C" UINT WINAPI WixRemoveFoldersEx(
 
         hr = PathExpand(&sczExpandedPath, sczPath, PATH_EXPAND_ENVIRONMENT);
         ExitOnFailure(hr, "Failed to expand path: %S for row: %S", sczPath, sczId);
-        
+
         hr = PathBackslashTerminate(&sczExpandedPath);
         ExitOnFailure(hr, "Failed to backslash-terminate path: %S", sczExpandedPath);
-    
+
         WcaLog(LOGMSG_STANDARD, "Recursing path: %S for row: %S.", sczExpandedPath, sczId);
         hr = RecursePath(sczExpandedPath, sczId, sczComponent, sczProperty, iMode, f64BitComponent, &dwCounter, &hTable, &hColumns);
         ExitOnFailure(hr, "Failed while navigating path: %S for row: %S", sczPath, sczId);