From b41a4ff5e4c06ac0e2308786bf82490e00b232a3 Mon Sep 17 00:00:00 2001
From: Geoffrey White <40627776+geoffw0@users.noreply.github.com>
Date: Thu, 2 Apr 2026 11:28:19 +0100
Subject: [PATCH 1/3] C++: Upgrade query precision.

---
 cpp/ql/src/Likely Bugs/Arithmetic/IntMultToLong.ql | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpp/ql/src/Likely Bugs/Arithmetic/IntMultToLong.ql b/cpp/ql/src/Likely Bugs/Arithmetic/IntMultToLong.ql
index 6747d177c80e..b05bd637dc2d 100644
--- a/cpp/ql/src/Likely Bugs/Arithmetic/IntMultToLong.ql	
+++ b/cpp/ql/src/Likely Bugs/Arithmetic/IntMultToLong.ql	
@@ -5,7 +5,7 @@
  * @kind problem
  * @problem.severity warning
  * @security-severity 8.1
- * @precision medium
+ * @precision high
  * @id cpp/integer-multiplication-cast-to-long
  * @tags reliability
  *       security

From 909b55a40a2e4a85ce4ea04ff8d6a179c0b6399e Mon Sep 17 00:00:00 2001
From: Geoffrey White <40627776+geoffw0@users.noreply.github.com>
Date: Thu, 2 Apr 2026 11:28:34 +0100
Subject: [PATCH 2/3] C++: Change note.

---
 .../2026-04-02-integer-multiplication-cast-to-long.md         | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 cpp/ql/src/change-notes/2026-04-02-integer-multiplication-cast-to-long.md

diff --git a/cpp/ql/src/change-notes/2026-04-02-integer-multiplication-cast-to-long.md b/cpp/ql/src/change-notes/2026-04-02-integer-multiplication-cast-to-long.md
new file mode 100644
index 000000000000..cd6796b408f0
--- /dev/null
+++ b/cpp/ql/src/change-notes/2026-04-02-integer-multiplication-cast-to-long.md
@@ -0,0 +1,4 @@
+---
+category: minorAnalysis
+---
+* The "Multiplication result converted to larger type" (`cpp/integer-multiplication-cast-to-long`) query has been upgraded to `high` precision. This query will now run in the default code scanning suite.

From f2292643a35362236f1e729bf7833839fb36bb56 Mon Sep 17 00:00:00 2001
From: Geoffrey White <40627776+geoffw0@users.noreply.github.com>
Date: Tue, 7 Apr 2026 12:53:53 +0100
Subject: [PATCH 3/3] C++: Update code scanning suite .expected.

---
 .../integration-tests/query-suite/cpp-code-scanning.qls.expected | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cpp/ql/integration-tests/query-suite/cpp-code-scanning.qls.expected b/cpp/ql/integration-tests/query-suite/cpp-code-scanning.qls.expected
index 57d240fd7958..6cc662aee3b2 100644
--- a/cpp/ql/integration-tests/query-suite/cpp-code-scanning.qls.expected
+++ b/cpp/ql/integration-tests/query-suite/cpp-code-scanning.qls.expected
@@ -7,6 +7,7 @@ ql/cpp/ql/src/Diagnostics/ExtractedFiles.ql
 ql/cpp/ql/src/Diagnostics/ExtractionWarnings.ql
 ql/cpp/ql/src/Diagnostics/FailedExtractorInvocations.ql
 ql/cpp/ql/src/Likely Bugs/Arithmetic/BadAdditionOverflowCheck.ql
+ql/cpp/ql/src/Likely Bugs/Arithmetic/IntMultToLong.ql
 ql/cpp/ql/src/Likely Bugs/Arithmetic/SignedOverflowCheck.ql
 ql/cpp/ql/src/Likely Bugs/Conversion/CastArrayPointerArithmetic.ql
 ql/cpp/ql/src/Likely Bugs/Format/SnprintfOverflow.ql