Visual Studio Elevation of Privilege Vulnerability

CVE-2019-1077
Security Vulnerability

Released: Jul 9, 2019

Assigning CNA
Microsoft
CVE.org link
CVE-2019-1077

Executive Summary

An elevation of privilege vulnerability exists when the Visual Studio updater service improperly handles file permissions. An attacker who successfully exploited this vulnerability overwrite arbitrary files with XML content in the security context of the local system.

To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability.

The update addresses the vulnerability by correcting how the Visual Studio updater handles permissions.

Exploitability

The following table provides an exploitability assessment for this vulnerability at the time of original publication.

Publicly disclosed
No
Exploited
No
Exploitability assessment
Exploitation Less Likely

Acknowledgements

  • Ryan Wincey (@rwincey) of Securifera
Microsoft recognizes the efforts of those in the security community who help us protect customers through coordinated vulnerability disclosure. See Acknowledgements for more information.

Security Updates

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle.

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Disclaimer

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Revisions

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