Visual Studio
CVE-2019-1077 — Visual Studio Elevation of Privilege Vulnerability
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.
Overview
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
EPSS Score
0.01755
probability of exploitation in the next 30 days
0.7502 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
3 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) | Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) |
Important | Elevation of Privilege | Maybe |
| Microsoft Visual Studio 2019 version 16.0 | Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) |
Important | Elevation of Privilege | Maybe |
| Microsoft Visual Studio 2019 version 16.1 | Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) |
Important | Elevation of Privilege | Maybe |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
Release Notes (Security Update) Release Notes (Security Update) Release Notes |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
@rwincey ) of Securifera
References
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