# CVE-2017-11772: Microsoft Search Information Disclosure Vulnerability

CVE-2017-11772 is fixed in 25 products on 1 platform, first by KB4041689, released October 10, 2017. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2017-11772
- Priority: Urgent
- CVSS: 5.9 (Important)
- EPSS: 0.0830
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation More Likely
- Published: Oct 10, 2017
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-11772

## Description

<p>An Information disclosure vulnerability exists when Windows Search improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.</p> <p>To exploit the vulnerability, the attacker could send specially crafted messages to the Windows Search service. Additionally, in an enterprise scenario, a remote unauthenticated attacker could trigger the vulnerability through an SMB connection.</p> <p>The security update addresses the vulnerability by correcting how Windows Search handles objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1511 for 32-bit Systems | 10586.1176 | [KB4041689](https://patchblox.com/security/data/fix/microsoft/kb4041689.md) | Oct 10, 2017 |
| Microsoft | Windows 10 Version 1511 for x64-based Systems | 10586.1176 | [KB4041689](https://patchblox.com/security/data/fix/microsoft/kb4041689.md) | Oct 10, 2017 |
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.1770 | [KB4041691](https://patchblox.com/security/data/fix/microsoft/kb4041691.md) | Oct 10, 2017 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.1770 | [KB4041691](https://patchblox.com/security/data/fix/microsoft/kb4041691.md) | Oct 10, 2017 |
| Microsoft | Windows 10 Version 1703 for 32-bit Systems | 15063.674 | [KB4041676](https://patchblox.com/security/data/fix/microsoft/kb4041676.md) | Oct 10, 2017 |
| Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.674 | [KB4041676](https://patchblox.com/security/data/fix/microsoft/kb4041676.md) | Oct 10, 2017 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.17643 | [KB4042895](https://patchblox.com/security/data/fix/microsoft/kb4042895.md) | Oct 10, 2017 |
| Microsoft | Windows 10 for x64-based Systems | 10240.17643 | [KB4042895](https://patchblox.com/security/data/fix/microsoft/kb4042895.md) | Oct 10, 2017 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4041681](https://patchblox.com/security/data/fix/microsoft/kb4041681.md) | Oct 10, 2017 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4041678](https://patchblox.com/security/data/fix/microsoft/kb4041678.md) | Oct 10, 2017 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4041681](https://patchblox.com/security/data/fix/microsoft/kb4041681.md) | Oct 10, 2017 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4041678](https://patchblox.com/security/data/fix/microsoft/kb4041678.md) | Oct 10, 2017 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4041693](https://patchblox.com/security/data/fix/microsoft/kb4041693.md) | Oct 10, 2017 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4041687](https://patchblox.com/security/data/fix/microsoft/kb4041687.md) | Oct 10, 2017 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4041693](https://patchblox.com/security/data/fix/microsoft/kb4041693.md) | Oct 10, 2017 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4041687](https://patchblox.com/security/data/fix/microsoft/kb4041687.md) | Oct 10, 2017 |
| Microsoft | Windows RT 8.1 |  | [KB4041693](https://patchblox.com/security/data/fix/microsoft/kb4041693.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4041681](https://patchblox.com/security/data/fix/microsoft/kb4041681.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4041678](https://patchblox.com/security/data/fix/microsoft/kb4041678.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4041681](https://patchblox.com/security/data/fix/microsoft/kb4041681.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4041678](https://patchblox.com/security/data/fix/microsoft/kb4041678.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB4042067](https://patchblox.com/security/data/fix/microsoft/kb4042067.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB4042067](https://patchblox.com/security/data/fix/microsoft/kb4042067.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB4042067](https://patchblox.com/security/data/fix/microsoft/kb4042067.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB4042067](https://patchblox.com/security/data/fix/microsoft/kb4042067.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2012 |  | [KB4041690](https://patchblox.com/security/data/fix/microsoft/kb4041690.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2012 |  | [KB4041679](https://patchblox.com/security/data/fix/microsoft/kb4041679.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4041690](https://patchblox.com/security/data/fix/microsoft/kb4041690.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4041679](https://patchblox.com/security/data/fix/microsoft/kb4041679.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2012 R2 |  | [KB4041693](https://patchblox.com/security/data/fix/microsoft/kb4041693.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2012 R2 |  | [KB4041687](https://patchblox.com/security/data/fix/microsoft/kb4041687.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4041693](https://patchblox.com/security/data/fix/microsoft/kb4041693.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4041687](https://patchblox.com/security/data/fix/microsoft/kb4041687.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2016 | 14393.1770 | [KB4041691](https://patchblox.com/security/data/fix/microsoft/kb4041691.md) | Oct 10, 2017 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.1770 | [KB4041691](https://patchblox.com/security/data/fix/microsoft/kb4041691.md) | Oct 10, 2017 |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo
