diff --git a/src/nvim/options.lua b/src/nvim/options.lua
index 296b78bd15..6e2b015228 100644
--- a/src/nvim/options.lua
+++ b/src/nvim/options.lua
@@ -9785,7 +9785,7 @@ return {
         UI-dependent. Works best with RGB colors. 'termguicolors'
       ]=],
       full_name = 'winblend',
-      redraw = { 'current_window' },
+      redraw = { 'current_window', 'highlight_only' },
       scope = { 'window' },
       short_desc = N_('Controls transparency level for floating windows'),
       type = 'number',
@@ -9900,7 +9900,7 @@ return {
       expand_cb = 'expand_set_winhighlight',
       full_name = 'winhighlight',
       list = 'onecommacolon',
-      redraw = { 'current_window' },
+      redraw = { 'current_window', 'highlight_only' },
       scope = { 'window' },
       short_desc = N_('Setup window-local highlights'),
       type = 'string',
diff --git a/test/functional/editor/mode_normal_spec.lua b/test/functional/editor/mode_normal_spec.lua
new file mode 100644
index 0000000000..89bab3f6c9
--- /dev/null
+++ b/test/functional/editor/mode_normal_spec.lua
@@ -0,0 +1,22 @@
+-- Normal mode tests.
+
+local helpers = require('test.functional.helpers')(after_each)
+local clear = helpers.clear
+local feed = helpers.feed
+local fn = helpers.fn
+local command = helpers.command
+local eq = helpers.eq
+
+describe('Normal mode', function()
+  before_each(clear)
+
+  it('setting &winhighlight or &winblend does not change curswant #27470', function()
+    fn.setline(1, { 'long long lone line', 'short line' })
+    feed('ggfi')
+    local pos = fn.getcurpos()
+    feed('j')
+    command('setlocal winblend=10 winhighlight=Visual:Search')
+    feed('k')
+    eq(pos, fn.getcurpos())
+  end)
+end)