High severity7.9NVD Advisory· Published Aug 14, 2019· Updated Jun 17, 2026
CVE-2019-1170
CVE-2019-1170
Description
An elevation of privilege vulnerability exists when reparse points are created by sandboxed processes allowing sandbox escape. An attacker who successfully exploited the vulnerability could use the sandbox escape to elevate privileges on an affected system. To exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system. The security update addresses the vulnerability by preventing sandboxed processes from creating reparse points targeting inaccessible files.
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Affected products
7cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1170nvdPatchVendor Advisory
- packetstormsecurity.com/files/154192/Microsoft-Windows-SET_REPARSE_POINT_EX-Mount-Point-Security-Feature-Bypass.htmlnvdThird Party AdvisoryVDB Entry
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