Microsoft Windows
CVE-2019-1477 — Windows Printer Service Elevation of Privilege Vulnerability
Executive Summary
An elevation of privilege vulnerability exists when the Windows Printer Service improperly validates file paths while loading printer drivers. An authenticated attacker who successfully exploited this vulnerability could run arbitrary code with elevated system privileges. 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 and take control of an affected system. The update addresses this vulnerability by correcting how the Windows Printer Service validates file paths.
Overview
7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
N/A
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 7.0
EPSS Score
0.01004
probability of exploitation in the next 30 days
0.58413 percentile - updated 2026-06-20
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Affected Products
5 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 Version 1809 for 32-bit Systems | 4530715 (Security Update) |
Important | Elevation of Privilege | Yes |
| Windows 10 Version 1809 for ARM64-based Systems | 4530715 (Security Update) |
Important | Elevation of Privilege | Yes |
| Windows 10 Version 1809 for x64-based Systems | 4530715 (Security Update) |
Important | Elevation of Privilege | Yes |
| Windows Server 2019 | 4530715 (Security Update) |
Important | Elevation of Privilege | Yes |
| Windows Server 2019 (Server Core installation) | 4530715 (Security Update) |
Important | Elevation of Privilege | Yes |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
4530715 |
Security Update | Yes |
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
References
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