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CVE-2017-11829: Windows 10/Server 2016 may let attackers gain admin rights

CVE-2017-11829 · published 9 years ago

Summary

The Windows Update Delivery Optimization component in Windows 10 and Windows Server 2016 does not correctly check file‑share permissions. This mistake can allow a user with limited access to execute code with full system privileges. Apply the latest Windows updates from Microsoft to correct the permission checks.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
microsoft	windows_10	1607 1703 `cpe:2.3:o:microsoft:windows_10:1607:::::::*`
microsoft	windows_server_2016	All versions `cpe:2.3:o:microsoft:windows_server_2016::::::::`

Original advisory text

Microsoft Windows 10 allows an elevation of privilege vulnerability when the Windows Update Delivery Optimization does not properly enforce file share permissions.

References

http://www.securityfocus.com/bid/101213 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039526 Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-1182... Patch Vendor Advisory

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

5.5 Medium

Exploitation

4% chance of attack within 30 days

Type

CWE-552Files or Directories Accessible to External Parties

Timeline

Published13 Oct 2017

Updated23 Oct 2026

First seen29 Sep 2026

Sources

CVE-2017-11829 · NVD

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