Jul 2019:
CVE-2019-1130 Published on July 15, 2019
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1129.
Known Exploited Vulnerability
This Microsoft Windows AppX Deployment Service Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A privilege escalation vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links.
The following remediation steps are recommended / required by June 13, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2019-1130 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an insecure temporary file Vulnerability?
The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
CVE-2019-1130 has been classified to as an insecure temporary file vulnerability or weakness.
Products Associated with CVE-2019-1130
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Affected Versions
Microsoft Windows Server:- Version 2012 is affected.
- Version 2012 (Core installation) is affected.
- Version 2012 R2 is affected.
- Version 2012 R2 (Core installation) is affected.
- Version 2016 is affected.
- Version 2016 (Core installation) is affected.
- Version version 1803 (Core Installation) is affected.
- Version 2019 is affected.
- Version 2019 (Core installation) is affected.
- Version 8.1 for x64-based systems is affected.
- Version RT 8.1 is affected.
- Version 10 for 32-bit Systems is affected.
- Version 10 for x64-based Systems is affected.
- Version 10 Version 1607 for 32-bit Systems is affected.
- Version 10 Version 1607 for x64-based Systems is affected.
- Version 10 Version 1703 for 32-bit Systems is affected.
- Version 10 Version 1703 for x64-based Systems is affected.
- Version 10 Version 1709 for 32-bit Systems is affected.
- Version 10 Version 1709 for x64-based Systems is affected.
- Version 10 Version 1803 for 32-bit Systems is affected.
- Version 10 Version 1803 for x64-based Systems is affected.
- Version 10 Version 1803 for ARM64-based Systems is affected.
- Version 10 Version 1809 for 32-bit Systems is affected.
- Version 10 Version 1809 for x64-based Systems is affected.
- Version 10 Version 1809 for ARM64-based Systems is affected.
- Version 10 Version 1709 for ARM64-based Systems is affected.
- Version unspecified is affected.
- Version unspecified is affected.
- Version unspecified is affected.
- Version unspecified is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.