diff --git a/CHANGELOG.md b/CHANGELOG.md
index a869256072..7b6f0ea1ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
 
 ### Fixes
 
+- Fix thread safety in macOS NSException capture to prevent duplicate exception reports (#7672)
 - Capture transactions that finish during the launch profiling window instead of silently discarding them (#7602)
 - Capture instance and class method `[NSApplication _crashOnException]` exceptions (#7510)
 
diff --git a/Sources/Sentry/SentryNSExceptionCaptureHelper.m b/Sources/Sentry/SentryNSExceptionCaptureHelper.m
index 3530f3fccd..1cc717a9d9 100644
--- a/Sources/Sentry/SentryNSExceptionCaptureHelper.m
+++ b/Sources/Sentry/SentryNSExceptionCaptureHelper.m
@@ -5,20 +5,23 @@
 #    import "SentryCrash.h"
 #    import "SentryNSExceptionCaptureHelper.h"
 #    import "SentrySwift.h"
+#    import <stdatomic.h>
 
 @implementation SentryNSExceptionCaptureHelper
 
-static BOOL _insideReportException = NO;
+// Thread-safe flag to prevent duplicate exception captures when
+// _crashOnException: is called from within reportException:
+static _Atomic BOOL _insideReportException = NO;
 
 + (void)reportException:(NSException *)exception
 {
-    _insideReportException = YES;
+    atomic_store(&_insideReportException, YES);
     [self captureException:exception];
 }
 
 + (void)reportExceptionDidFinish
 {
-    _insideReportException = NO;
+    atomic_store(&_insideReportException, NO);
 }
 
 + (void)crashOnException:(NSException *)exception
@@ -26,7 +29,7 @@ + (void)crashOnException:(NSException *)exception
     // When called from within reportException: (i.e., [super reportException:] internally
     // dispatches to _crashOnException: when NSApplicationCrashOnExceptions is YES),
     // the exception was already captured, so skip to avoid duplicate reports.
-    if (!_insideReportException) {
+    if (!atomic_load(&_insideReportException)) {
         [self captureException:exception];
     }
 }