diff --git a/docs/workflow/building/coreclr/cross-building.md b/docs/workflow/building/coreclr/cross-building.md
index d053569cfbcb3d..b77907e7e80583 100644
--- a/docs/workflow/building/coreclr/cross-building.md
+++ b/docs/workflow/building/coreclr/cross-building.md
@@ -155,7 +155,7 @@ docker run --rm \
   -v <RUNTIME_REPO_PATH>:/runtime \
   -w /runtime \
   -e ROOTFS_DIR=/crossrootfs/arm64 \
-  mcr.microsoft.com/dotnet-buildtools/prereqs:cbl-mariner-2.0-cross-arm64 \
+  mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-arm64 \
   ./build.sh --subset clr --cross --arch arm64
 ```
 
diff --git a/eng/pipelines/coreclr/templates/helix-queues-setup.yml b/eng/pipelines/coreclr/templates/helix-queues-setup.yml
index d345553843d941..25fbe960f84e4c 100644
--- a/eng/pipelines/coreclr/templates/helix-queues-setup.yml
+++ b/eng/pipelines/coreclr/templates/helix-queues-setup.yml
@@ -50,7 +50,7 @@ jobs:
 
     # Browser wasm
     - ${{ if eq(parameters.platform, 'browser_wasm') }}:
-      - (Ubuntu.2204.Amd64)Ubuntu.2204.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-helix-webassembly
+      - (Ubuntu.2604.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-26.04-helix-webassembly-amd64
 
     # iOS devices
     - ${{ if in(parameters.platform, 'ios_arm64') }}:
diff --git a/eng/pipelines/libraries/helix-queues-setup.yml b/eng/pipelines/libraries/helix-queues-setup.yml
index 64212601ae5bf8..54ca2643a14e09 100644
--- a/eng/pipelines/libraries/helix-queues-setup.yml
+++ b/eng/pipelines/libraries/helix-queues-setup.yml
@@ -58,8 +58,8 @@ jobs:
         # CoreCLR path
           - ${{ if and(eq(parameters.jobParameters.isExtraPlatformsBuild, true), ne(parameters.jobParameters.testScope, 'outerloop'))}}:
             # extra-platforms CoreCLR (inner loop only)
+            - AzureLinux.3.Amd64.Open
             - (Debian.12.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-12-helix-amd64
-            - (Mariner.2.0.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:cbl-mariner-2.0-helix-amd64
 
           - ${{ if eq(parameters.jobParameters.testScope, 'outerloop') }}:
               # outerloop only CoreCLR
@@ -68,7 +68,7 @@ jobs:
           - ${{ if or(ne(parameters.jobParameters.isExtraPlatformsBuild, true), eq(parameters.jobParameters.includeAllPlatforms, true))}}:
               # inner and outer loop CoreCLR (general set)
               - Ubuntu.2204.Amd64.Open
-              - (AzureLinux.3.0.Amd64.Open)AzureLinux.3.Amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-helix-amd64
+              - (AzureLinux.3.0.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-helix-amd64
               - (Centos.10.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream-10-helix-amd64
 
     # OSX arm64
@@ -152,15 +152,15 @@ jobs:
 
     # WASI
     - ${{ if eq(parameters.platform, 'wasi_wasm') }}:
-      - (Ubuntu.2204.Amd64)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-helix-webassembly
+      - (Ubuntu.2604.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-26.04-helix-webassembly-amd64
 
     # Browser WebAssembly
     - ${{ if eq(parameters.platform, 'browser_wasm') }}:
-      - (Ubuntu.2204.Amd64)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-helix-webassembly
+      - (Ubuntu.2604.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-26.04-helix-webassembly-amd64
 
     # Browser WebAssembly Firefox
     - ${{ if eq(parameters.platform, 'browser_wasm_firefox') }}:
-      - (Ubuntu.2204.Amd64)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-helix-webassembly
+      - (Ubuntu.2604.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-26.04-helix-webassembly-amd64
 
     # Browser WebAssembly windows
     - ${{ if in(parameters.platform, 'browser_wasm_win', 'wasi_wasm_win') }}: