--- gdb/ui-style.c~	2025-12-20 04:53:21.000000000 +0200
+++ gdb/ui-style.c	2026-01-04 19:13:51.707357200 +0200
@@ -595,6 +595,12 @@ colorsupport ()
       std::vector<color_space> result = {color_space::MONOCHROME};
 
       int colors = tgetnum ("Co");
+#ifdef __MINGW32__
+      /* MS-Windows terminal generally doesn't have "Co" in its
+         terminfo, but always supports 8 colors.  */
+      if (colors <= 0)
+	colors = 8;
+#endif
       if (colors >= 8)
 	result.push_back (color_space::ANSI_8COLOR);
       if (colors >= 16)