CVE-2019-1476

Public Exploit

Description

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-2019-1483.

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 14.66% Top 10%
Vendor Advisory microsoft.com
Affected: Microsoft Windows 10 Version 1909 for ARM64-based Systems
Affected: Microsoft Windows 10 Version 1909 for 32-bit Systems
Affected: Microsoft Windows 10 Version 1909 for x64-based Systems
Affected: Microsoft Windows Server, version 1909 (Server Core installation)
Affected: Microsoft Windows
Affected: Microsoft Windows Server
Affected: Microsoft Windows 10 Version 1903 for 32-bit Systems
Affected: Microsoft Windows 10 Version 1903 for x64-based Systems
Affected: Microsoft Windows 10 Version 1903 for ARM64-based Systems
Affected: Microsoft Windows Server, version 1903 (Server Core installation)
Published at:
Updated at:

References

Link Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1476 patch vendor advisory
http://packetstormsecurity.com/files/155653/AppXSvc-17763-Arbitrary-File-Overwrite.html third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-1476?
CVE-2019-1476 has been scored as a high severity vulnerability.
How to fix CVE-2019-1476?
To fix CVE-2019-1476, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-1476 being actively exploited in the wild?
It is possible that CVE-2019-1476 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~15% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-1476?
CVE-2019-1476 affects Microsoft Windows 10 Version 1909 for ARM64-based Systems, Microsoft Windows 10 Version 1909 for 32-bit Systems, Microsoft Windows 10 Version 1909 for x64-based Systems, Microsoft Windows Server, version 1909 (Server Core installation), Microsoft Windows, Microsoft Windows Server, Microsoft Windows 10 Version 1903 for 32-bit Systems, Microsoft Windows 10 Version 1903 for x64-based Systems, Microsoft Windows 10 Version 1903 for ARM64-based Systems, Microsoft Windows Server, version 1903 (Server Core installation).
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