CVE-2019-1476 json
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows E…
published 2019-12-10 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10033
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.1%
- EPSS 5.1% chance of exploitation in 30 days, percentile 92%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
Timeline
- Published
- First public exploit (EDB-47768)
Exploit prediction
5.09% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-47768 AppXSvc 17763 - Arbitrary File Overwrite (DoS) dos, 2019-12-11
- packetstormsecurity.com http://packetstormsecurity.com/files/155653/AppXSvc-17763-Arbitrary-File-Overwrite.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- 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)
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
Sources
- CVE List CVE-2019-1476
- NVD CVE-2019-1476
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