Vulnerability in Microsoft Windows
CVE-2019-1476
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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.051 (92.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.051 · newest: 0.051 · change: -0.000
Affected products
- Microsoft Windows — versions 10 Version 1803 for 32-bit Systems, 10 Version 1803 for x64-based Systems, 10 Version 1803 for ARM64-based Systems
- Microsoft Windows 10 — versions 1607, 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 10 Version 1909 For 32-Bit Systems — versions unspecified
- Microsoft Windows 10 Version 1909 For Arm64-Based Systems — versions unspecified
- Microsoft Windows 10 Version 1909 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, 1909
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1476 (Patch, Vendor Advisory)
- packetstormsecurity.com/files/155653/AppXSvc-17763-Arbitrary-File-Overwrite.html (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-1476?
- CVE-2019-1476 is a high-severity vulnerability in Microsoft Windows. CVSS score: 7.8/10. Published 2019-12-10.
- How severe is CVE-2019-1476?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-1476 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.