diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index d7574c772a2..6753593ba47 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -336,6 +336,17 @@ jobs:
               echo "$OUTPUT"
               ../bashunit -a matches "Note: Using configuration file .+phpstan.neon." "$OUTPUT"
               ../bashunit -a contains 'Result cache not used because the metadata do not match: metaExtensions' "$OUTPUT"
+          - script: |
+              cd e2e/result-cache-meta-extension-throw
+              composer install
+              # https://github.com/phpstan/phpstan/issues/14805
+              # An exception thrown from ResultCacheMetaExtension::getHash() during result cache
+              # restore must fail the run with a non-zero exit code - even when a bootstrap file
+              # installs a global exception handler that would otherwise swallow it into exit 0.
+              OUTPUT=$(../bashunit -a exit_code "1" "../../bin/phpstan --error-format=raw")
+              echo "$OUTPUT"
+              ../bashunit -a contains 'boom from getHash' "$OUTPUT"
+              ../bashunit -a not_contains 'Swallowed by global exception handler' "$OUTPUT"
           - script: |
               cd e2e/result-cache-restore-without-reflection
               composer install
diff --git a/composer.json b/composer.json
index 7219ef39d73..ce1237cd846 100644
--- a/composer.json
+++ b/composer.json
@@ -144,7 +144,8 @@
 				"patches/Resolver.patch"
 			],
 			"symfony/console": [
-				"patches/OutputFormatter.patch"
+				"patches/OutputFormatter.patch",
+				"patches/Application.patch"
 			]
 		}
 	},
diff --git a/composer.lock b/composer.lock
index d9f2158470a..50f10be61fb 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "018f18ace63a6268bd90ea37daca0d80",
+    "content-hash": "13e4d9e979c07e7c27e8d479ffa5b359",
     "packages": [
         {
             "name": "clue/ndjson-react",
diff --git a/e2e/result-cache-meta-extension-throw/.gitignore b/e2e/result-cache-meta-extension-throw/.gitignore
new file mode 100644
index 00000000000..61ead86667c
--- /dev/null
+++ b/e2e/result-cache-meta-extension-throw/.gitignore
@@ -0,0 +1 @@
+/vendor
diff --git a/e2e/result-cache-meta-extension-throw/bootstrap.php b/e2e/result-cache-meta-extension-throw/bootstrap.php
new file mode 100644
index 00000000000..126f6991a0f
--- /dev/null
+++ b/e2e/result-cache-meta-extension-throw/bootstrap.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+// Simulates a bootstrap file (e.g. larastan booting Laravel) that installs a
+// global exception handler swallowing uncaught exceptions into a clean exit.
+// Without PHPStan catching the ResultCacheMetaExtension exception itself, the
+// throw from getHash() during result cache restore would escape to this handler
+// and the process would silently exit 0 - skipping analysis with green CI.
+set_exception_handler(static function (\Throwable $e): void {
+	fwrite(STDERR, 'Swallowed by global exception handler: ' . $e->getMessage() . "\n");
+	exit(0);
+});
diff --git a/e2e/result-cache-meta-extension-throw/composer.json b/e2e/result-cache-meta-extension-throw/composer.json
new file mode 100644
index 00000000000..a072011fe86
--- /dev/null
+++ b/e2e/result-cache-meta-extension-throw/composer.json
@@ -0,0 +1,5 @@
+{
+	"autoload-dev": {
+		"classmap": ["src/"]
+	}
+}
diff --git a/e2e/result-cache-meta-extension-throw/composer.lock b/e2e/result-cache-meta-extension-throw/composer.lock
new file mode 100644
index 00000000000..b383d88ac57
--- /dev/null
+++ b/e2e/result-cache-meta-extension-throw/composer.lock
@@ -0,0 +1,18 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "d751713988987e9331980363e24189ce",
+    "packages": [],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": {},
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {},
+    "platform-dev": {},
+    "plugin-api-version": "2.6.0"
+}
diff --git a/e2e/result-cache-meta-extension-throw/phpstan.neon b/e2e/result-cache-meta-extension-throw/phpstan.neon
new file mode 100644
index 00000000000..26d4bced9ff
--- /dev/null
+++ b/e2e/result-cache-meta-extension-throw/phpstan.neon
@@ -0,0 +1,12 @@
+parameters:
+	level: 8
+	paths:
+		- src
+	bootstrapFiles:
+		- bootstrap.php
+
+services:
+	-
+		class: ResultCacheE2E\MetaExtensionThrow\ThrowingResultCacheMetaExtension
+		tags:
+			- phpstan.resultCacheMetaExtension
diff --git a/e2e/result-cache-meta-extension-throw/src/Foo.php b/e2e/result-cache-meta-extension-throw/src/Foo.php
new file mode 100644
index 00000000000..12d0afae07c
--- /dev/null
+++ b/e2e/result-cache-meta-extension-throw/src/Foo.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ResultCacheE2E\MetaExtensionThrow;
+
+function f(): int
+{
+	return 'definitely not an int';
+}
diff --git a/e2e/result-cache-meta-extension-throw/src/ThrowingResultCacheMetaExtension.php b/e2e/result-cache-meta-extension-throw/src/ThrowingResultCacheMetaExtension.php
new file mode 100644
index 00000000000..c5a4864b137
--- /dev/null
+++ b/e2e/result-cache-meta-extension-throw/src/ThrowingResultCacheMetaExtension.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ResultCacheE2E\MetaExtensionThrow;
+
+use Error;
+use PHPStan\Analyser\ResultCache\ResultCacheMetaExtension;
+
+final class ThrowingResultCacheMetaExtension implements ResultCacheMetaExtension
+{
+	public function getKey(): string
+	{
+		return 'e2e-throwing-result-cache-meta-extension';
+	}
+
+	public function getHash(): string
+	{
+		throw new Error('boom from getHash');
+	}
+}
diff --git a/patches/Application.patch b/patches/Application.patch
new file mode 100644
index 00000000000..9eca4a7c00a
--- /dev/null
+++ b/patches/Application.patch
@@ -0,0 +1,11 @@
+--- Application.php
++++ Application.php
+@@ -169,7 +169,7 @@ class Application implements ResetInterface
+             $this->configureIO($input, $output);
+
+             $exitCode = $this->doRun($input, $output);
+-        } catch (\Exception $e) {
++        } catch (\Throwable $e) {
+             if (!$this->catchExceptions) {
+                 throw $e;
+             }