Vulnerability in Microsoft Windows
CVE-2019-1303
An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1215, CVE-2019-1253, CVE-2019-1278.
EPSS: 0.012 (65.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows — versions 10 Version 1703 for 32-bit Systems, 10 Version 1703 for x64-based Systems, 10 Version 1709 for 32-bit Systems
- Microsoft Windows_10 — versions 1703, 1709, 1803
- Microsoft Windows 10 Version 1903 For 32-bit Systems — versions unspecified
- Microsoft Windows 10 Version 1903 For Arm64-based Systems — versions unspecified
- Microsoft Windows 10 Version 1903 For X64-based Systems — versions unspecified
- Microsoft Windows Server — versions version 1803 (Core Installation), 2019, 2019 (Core installation)
- Microsoft Windows_server_2016 — versions 1803, 1903
- Microsoft Windows_server_2019
- Microsoft Windows Server, Version 1903 (Server Core Installation) — versions unspecified
Public proof-of-concept exploits
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1303?
- CVE-2019-1303 is a high-severity vulnerability in Microsoft Windows. CVSS score: 7.8/10. Published 2019-09-11.
- How severe is CVE-2019-1303?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-1303 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.