# CVE-2016-7239: Microsoft Browser Information Disclosure Vulnerability

CVE-2016-7239 is fixed in 26 products on 1 platform, first by KB3198586, released November 8, 2016. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2016-7239
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.1171
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Unlikely
- Published: Nov 8, 2016
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2016-7239

## Description

<p>An information disclosure vulnerability exists when the Microsoft browser XSS filter is abused to leak sensitive page information. An attacker who successfully exploited the vulnerability could obtain sensitive information from certain web pages.</p> <p>To exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.</p> <p>The update addresses the vulnerability by changing how the XSS filter handles RegEx.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Internet Explorer 10 on Windows Server 2012 |  | [KB3197877](https://patchblox.com/security/data/fix/microsoft/kb3197877.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 10 on Windows Server 2012 |  | [KB3197876](https://patchblox.com/security/data/fix/microsoft/kb3197876.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1511 for 32-bit Systems |  | [KB3198586](https://patchblox.com/security/data/fix/microsoft/kb3198586.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1511 for x64-based Systems |  | [KB3198586](https://patchblox.com/security/data/fix/microsoft/kb3198586.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems |  | [KB3200970](https://patchblox.com/security/data/fix/microsoft/kb3200970.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems |  | [KB3200970](https://patchblox.com/security/data/fix/microsoft/kb3200970.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 10 for 32-bit Systems | 10240.17190 | [KB3198585](https://patchblox.com/security/data/fix/microsoft/kb3198585.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 10 for x64-based Systems | 10240.17190 | [KB3198585](https://patchblox.com/security/data/fix/microsoft/kb3198585.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 |  | [KB3197867](https://patchblox.com/security/data/fix/microsoft/kb3197867.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 |  | [KB3197868](https://patchblox.com/security/data/fix/microsoft/kb3197868.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 |  | [KB3197867](https://patchblox.com/security/data/fix/microsoft/kb3197867.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 |  | [KB3197868](https://patchblox.com/security/data/fix/microsoft/kb3197868.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 8.1 for 32-bit systems |  | [KB3197873](https://patchblox.com/security/data/fix/microsoft/kb3197873.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 8.1 for 32-bit systems |  | [KB3197874](https://patchblox.com/security/data/fix/microsoft/kb3197874.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 8.1 for x64-based systems |  | [KB3197873](https://patchblox.com/security/data/fix/microsoft/kb3197873.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows 8.1 for x64-based systems |  | [KB3197874](https://patchblox.com/security/data/fix/microsoft/kb3197874.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows RT 8.1 |  | [KB3197874](https://patchblox.com/security/data/fix/microsoft/kb3197874.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB3197867](https://patchblox.com/security/data/fix/microsoft/kb3197867.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB3197868](https://patchblox.com/security/data/fix/microsoft/kb3197868.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows Server 2012 R2 |  | [KB3197873](https://patchblox.com/security/data/fix/microsoft/kb3197873.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows Server 2012 R2 |  | [KB3197874](https://patchblox.com/security/data/fix/microsoft/kb3197874.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 11 on Windows Server 2016 |  | [KB3200970](https://patchblox.com/security/data/fix/microsoft/kb3200970.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB3197655](https://patchblox.com/security/data/fix/microsoft/kb3197655.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 9 on Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB3197655](https://patchblox.com/security/data/fix/microsoft/kb3197655.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 9 on Windows Vista Service Pack 2 |  | [KB3197655](https://patchblox.com/security/data/fix/microsoft/kb3197655.md) | Nov 8, 2016 |
| Microsoft | Internet Explorer 9 on Windows Vista x64 Edition Service Pack 2 |  | [KB3197655](https://patchblox.com/security/data/fix/microsoft/kb3197655.md) | Nov 8, 2016 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for 32-bit Systems |  | [KB3198586](https://patchblox.com/security/data/fix/microsoft/kb3198586.md) | Nov 8, 2016 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for x64-based Systems |  | [KB3198586](https://patchblox.com/security/data/fix/microsoft/kb3198586.md) | Nov 8, 2016 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems |  | [KB3200970](https://patchblox.com/security/data/fix/microsoft/kb3200970.md) | Nov 8, 2016 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems |  | [KB3200970](https://patchblox.com/security/data/fix/microsoft/kb3200970.md) | Nov 8, 2016 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems | 10240.17190 | [KB3198585](https://patchblox.com/security/data/fix/microsoft/kb3198585.md) | Nov 8, 2016 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems | 10240.17190 | [KB3198585](https://patchblox.com/security/data/fix/microsoft/kb3198585.md) | Nov 8, 2016 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows Server 2016 |  | [KB3200970](https://patchblox.com/security/data/fix/microsoft/kb3200970.md) | Nov 8, 2016 |

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