---
id: 4683
title: "Patch Analysis of MS16–063 (jscript9.dll)"
source_domain: theori.io
source_url: "https://theori.io/blog/patch-analysis-of-ms16-063-jscript9-dll"
published_at: "2016-06-26T15:00:00Z"
tags: ["exploit", "memory-corruption", "patch-analysis", "internet-explorer", "ms16-063", "jscript9"]
phying_url: "https://phying.com/item/4683"
lang: en
---

# Patch Analysis of MS16–063 (jscript9.dll)

## Summary

A patch-analysis deep dive into MS16-063: diffing jscript9.dll to locate a TypedArray/DataView memory-corruption bug, then rebuilding it into a working proof-of-concept exploit for Internet Explorer.

## Intelligence Metadata

- **Sources:** theori.io
- **Published:** 2016-06-26T15:00:00Z
- **Original:** https://theori.io/blog/patch-analysis-of-ms16-063-jscript9-dll
- **Phying News:** https://phying.com/item/4683