CVE-2019-1064

high-risk
Published 2019-06-12

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.

Do I need to act?

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12.2% chance of exploitation in next 30 days
EPSS score — higher than 88% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Microsoft

References (3)

Patch https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1064
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1064
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-...
63
/ 100
high-risk
Severity 24/34 · High
Exploitability 19/34 · Moderate
Exposure 20/34 · Moderate