CVE-2019-1064 KEV
7.8
HIGH · CVSS 3.1 · EPSS 6.9% (pctl 94)
Patch first
On CISA KEV — known exploited in the wild, due 2022-04-05.
Description
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could then install programs; view, change or delete data. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The security update addresses the vulnerability by correcting how Windows AppX Deployment Service handles hard links.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 6.89% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-59 |
| On CISA KEV | yes — remediate by 2022-04-05 |
| Public exploit | none known |
| Published | 2019-06-12 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability |
|---|---|
| Added | 2022-03-15 |
| Due | 2022-04-05 |
| Vendor / product | Microsoft / Windows |
| Ransomware use | known |
Affected (11)
| Vendor | Product |
|---|---|
| microsoft | windows 10 1607 |
| microsoft | windows 10 1703 |
| microsoft | windows 10 1709 |
| microsoft | windows 10 1803 |
| microsoft | windows 10 1809 |
| microsoft | windows 10 1903 |
| microsoft | windows server 1709 |
| microsoft | windows server 1803 |
| microsoft | windows server 1903 |
| microsoft | windows server 2016 |
| microsoft | windows server 2019 |
References
→ the Explorer · watch your stack · NVD