diff --git a/apps/desktop/desktop_native/Cargo.lock b/apps/desktop/desktop_native/Cargo.lock
index edb7f35cf6f..ceefcf79a1b 100644
--- a/apps/desktop/desktop_native/Cargo.lock
+++ b/apps/desktop/desktop_native/Cargo.lock
@@ -47,6 +47,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.18"
@@ -333,6 +342,7 @@ dependencies = [
  "futures",
  "serde",
  "serde_json",
+ "serde_with",
  "tokio",
  "tracing",
  "tracing-oslog",
@@ -619,6 +629,18 @@ dependencies = [
  "windows",
 ]
 
+[[package]]
+name = "chrono"
+version = "0.4.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fac4744fb15ae8337dc853fee7fb3f4e48c0fbaa23d0afe49c447b4fab126118"
+dependencies = [
+ "iana-time-zone",
+ "num-traits",
+ "serde",
+ "windows-link 0.2.1",
+]
+
 [[package]]
 name = "cipher"
 version = "0.4.4"
@@ -815,6 +837,41 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "darling"
+version = "0.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9cdf337090841a411e2a7f3deb9187445851f91b309c0c0a29e05f74a00a48c0"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1247195ecd7e3c85f83c8d2a366e4210d588e802133e1e355180a9870b517ea4"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d38308df82d1080de0afee5d069fa14b0326a88c14f15c5ccda35b4a6c414c81"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "der"
 version = "0.7.10"
@@ -826,6 +883,16 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "deranged"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d630bccd429a5bb5a64b5e94f693bfc48c9f8566418fda4c494cc94f911f87cc"
+dependencies = [
+ "powerfmt",
+ "serde",
+]
+
 [[package]]
 name = "desktop_core"
 version = "0.0.0"
@@ -1004,6 +1071,12 @@ version = "0.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f678cf4a922c215c63e0de95eb1ff08a958a81d47e485cf9da1e27bf6305cfa5"
 
+[[package]]
+name = "dyn-clone"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0881ea181b1df73ff77ffaaf9c7544ecc11e82fba9b5f27b262a3c73a332555"
+
 [[package]]
 name = "ecdsa"
 version = "0.16.9"
@@ -1426,6 +1499,12 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
 [[package]]
 name = "hashbrown"
 version = "0.15.3"
@@ -1441,7 +1520,7 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7382cf6263419f2d8df38c55d7da83da5c18aef87fc7a7fc1fb1e344edfe14c1"
 dependencies = [
- "hashbrown",
+ "hashbrown 0.15.3",
 ]
 
 [[package]]
@@ -1492,6 +1571,30 @@ dependencies = [
  "windows",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33e57f83510bb73707521ebaffa789ec8caf86f9657cad665b092b581d40e9fb"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "log",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "icu_collections"
 version = "2.0.0"
@@ -1578,6 +1681,12 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "ident_case"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+
 [[package]]
 name = "idna"
 version = "1.0.3"
@@ -1599,6 +1708,17 @@ dependencies = [
  "icu_properties",
 ]
 
+[[package]]
+name = "indexmap"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+dependencies = [
+ "autocfg",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.9.0"
@@ -1606,7 +1726,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cea70ddb795996207ad57735b50c5982d8844f38ba9ee5f1aedcfb708a2aa11e"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.15.3",
+ "serde",
 ]
 
 [[package]]
@@ -2018,6 +2139,12 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-conv"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+
 [[package]]
 name = "num-integer"
 version = "0.1.46"
@@ -2316,7 +2443,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db"
 dependencies = [
  "fixedbitset",
- "indexmap",
+ "indexmap 2.9.0",
 ]
 
 [[package]]
@@ -2442,6 +2569,12 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.21"
@@ -2623,6 +2756,26 @@ dependencies = [
  "thiserror 2.0.17",
 ]
 
+[[package]]
+name = "ref-cast"
+version = "1.0.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f354300ae66f76f1c85c5f84693f0ce81d747e2c3f21a45fef496d89c960bf7d"
+dependencies = [
+ "ref-cast-impl",
+]
+
+[[package]]
+name = "ref-cast-impl"
+version = "1.0.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7186006dcb21920990093f30e3dea63b7d6e977bf1256be20c3563a5db070da"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "regex-automata"
 version = "0.4.9"
@@ -2767,6 +2920,30 @@ dependencies = [
  "sdd",
 ]
 
+[[package]]
+name = "schemars"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cd191f9397d57d581cddd31014772520aa448f65ef991055d7f61582c65165f"
+dependencies = [
+ "dyn-clone",
+ "ref-cast",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "schemars"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54e910108742c57a770f492731f99be216a52fadd361b06c8fb59d74ccc267d2"
+dependencies = [
+ "dyn-clone",
+ "ref-cast",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -2912,6 +3089,38 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_with"
+version = "3.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c522100790450cf78eeac1507263d0a350d4d5b30df0c8e1fe051a10c22b376e"
+dependencies = [
+ "base64",
+ "chrono",
+ "hex",
+ "indexmap 1.9.3",
+ "indexmap 2.9.0",
+ "schemars 0.9.0",
+ "schemars 1.2.0",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "serde_with_macros",
+ "time",
+]
+
+[[package]]
+name = "serde_with_macros"
+version = "3.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "327ada00f7d64abaac1e55a6911e90cf665aa051b9a561c7006c157f4633135e"
+dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "serial_test"
 version = "3.2.0"
@@ -3231,6 +3440,37 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e7d9e3bb61134e77bde20dd4825b97c010155709965fedf0f49bb138e52a9d"
+dependencies = [
+ "deranged",
+ "itoa",
+ "num-conv",
+ "powerfmt",
+ "serde",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40868e7c1d2f0b8d73e4a8c7f0ff63af4f6d19be117e90bd73eb1d62cf831c6b"
+
+[[package]]
+name = "time-macros"
+version = "0.2.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30cfb0125f12d9c277f35663a0a33f8c30190f4e4574868a330595412d34ebf3"
+dependencies = [
+ "num-conv",
+ "time-core",
+]
+
 [[package]]
 name = "tinystr"
 version = "0.8.1"
@@ -3298,7 +3538,7 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75129e1dc5000bfbaa9fee9d1b21f974f9fbad9daec557a521ee6e080825f6e8"
 dependencies = [
- "indexmap",
+ "indexmap 2.9.0",
  "serde",
  "serde_spanned",
  "toml_datetime 0.7.0",
@@ -3328,7 +3568,7 @@ version = "0.22.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "310068873db2c5b3e7659d2cc35d21855dbafa50d1ce336397c666e3cb08137e"
 dependencies = [
- "indexmap",
+ "indexmap 2.9.0",
  "toml_datetime 0.6.9",
  "winnow",
 ]
diff --git a/apps/desktop/desktop_native/Cargo.toml b/apps/desktop/desktop_native/Cargo.toml
index 9d2993844b9..1cf3420f219 100644
--- a/apps/desktop/desktop_native/Cargo.toml
+++ b/apps/desktop/desktop_native/Cargo.toml
@@ -58,6 +58,7 @@ security-framework = "=3.5.1"
 security-framework-sys = "=2.15.0"
 serde = "=1.0.209"
 serde_json = "=1.0.127"
+serde_with = { version = "=3.14.1" }
 sha2 = "=0.10.8"
 ssh-encoding = "=0.2.0"
 ssh-key = { version = "=0.6.7", default-features = false }
diff --git a/apps/desktop/desktop_native/autofill_provider/Cargo.toml b/apps/desktop/desktop_native/autofill_provider/Cargo.toml
index f9efc7f379d..fe04f170c13 100644
--- a/apps/desktop/desktop_native/autofill_provider/Cargo.toml
+++ b/apps/desktop/desktop_native/autofill_provider/Cargo.toml
@@ -19,13 +19,14 @@ desktop_core = { path = "../core" }
 futures = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }
+serde_with = { workspace = true, features = ["base64"] }
 tokio = { workspace = true, features = ["sync"] }
 tracing = { workspace = true }
 
 [target.'cfg(target_os = "macos")'.dependencies]
 uniffi = { workspace = true, features = ["cli"] }
-tracing-subscriber = { workspace = true }
 tracing-oslog = "=0.3.0"
+tracing-subscriber = { workspace = true }
 
 [build-dependencies]
 uniffi = { workspace = true, features = ["build"] }
diff --git a/apps/desktop/desktop_native/autofill_provider/src/lib.rs b/apps/desktop/desktop_native/autofill_provider/src/lib.rs
index 61ce5d8bfda..ab419d81181 100644
--- a/apps/desktop/desktop_native/autofill_provider/src/lib.rs
+++ b/apps/desktop/desktop_native/autofill_provider/src/lib.rs
@@ -2,7 +2,6 @@
 mod assertion;
 mod lock_status;
 mod registration;
-mod util;
 mod window_handle_query;
 
 #[cfg(target_os = "macos")]
diff --git a/apps/desktop/desktop_native/autofill_provider/src/util.rs b/apps/desktop/desktop_native/autofill_provider/src/util.rs
deleted file mode 100644
index 178ff3a2c44..00000000000
--- a/apps/desktop/desktop_native/autofill_provider/src/util.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-use base64::{engine::general_purpose::STANDARD, Engine as _};
-use serde::{de::Visitor, Deserializer};
-
-pub(crate) fn deserialize_b64<'de, D: Deserializer<'de>>(
-    deserializer: D,
-) -> Result<Vec<u8>, D::Error> {
-    deserializer.deserialize_str(Base64Visitor {})
-}
-
-struct Base64Visitor;
-impl Visitor<'_> for Base64Visitor {
-    type Value = Vec<u8>;
-
-    fn expecting(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-        f.write_str("A valid base64 string")
-    }
-
-    fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
-    where
-        E: serde::de::Error,
-    {
-        STANDARD.decode(v).map_err(|err| E::custom(err))
-    }
-}
diff --git a/apps/desktop/desktop_native/autofill_provider/src/window_handle_query.rs b/apps/desktop/desktop_native/autofill_provider/src/window_handle_query.rs
index c98323fc04a..bfad8d031fd 100644
--- a/apps/desktop/desktop_native/autofill_provider/src/window_handle_query.rs
+++ b/apps/desktop/desktop_native/autofill_provider/src/window_handle_query.rs
@@ -1,6 +1,11 @@
 use std::sync::Arc;
 
 use serde::{Deserialize, Serialize};
+use serde_with::{
+    base64::{Base64, Standard},
+    formats::Padded,
+    serde_as,
+};
 
 use crate::{BitwardenError, Callback, TimedCallback};
 
@@ -16,6 +21,7 @@ pub(super) struct WindowHandleQueryRequest {
 }
 
 /// Response to window handle request.
+#[serde_as]
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct WindowHandleQueryResponse {
@@ -33,7 +39,7 @@ pub struct WindowHandleQueryResponse {
     ///
     /// ## Windows
     /// On Windows, this is a HWND.
-    #[serde(deserialize_with = "crate::util::deserialize_b64")]
+    #[serde_as(as = "Base64<Standard, Padded>")]
     pub handle: Vec<u8>,
 }