CVE-2019-1064: Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
CVE-2019-1064 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-03-15
An elevation of privilege vulnerability in the Microsoft Windows AppX Deployment Service (AppXSVC) occurs when the service improperly handles hard links. A local attacker can exploit this by running a specially crafted application to execute processes in an elevated context, potentially gaining full control of the affected system.
Yes. CVE-2019-1064 is known to be exploited in the wild, first recorded on 15 March 2022. Treat it as urgent.
How severe is CVE-2019-1064?
Critical severity, with a CVSS score of 7.8, published 15 March 2022.
Which products and versions are affected?
Microsoft Windows 10 1607, 1703, 1709, 1803, 1809, 1903; Microsoft Windows Server 2016 - (Base), 1803, 1903; Microsoft Windows Server 2019 - (Base).
Is there a fix for CVE-2019-1064?
A patch was published on 2019-05-14: Microsoft released security updates to address the vulnerability. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2019-1064 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2019-1064?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Microsoft Windows 10 1607, 1703, 1709, 1803, 1809, 1903
Microsoft Windows Server 2016 - (Base), 1803, 1903
Microsoft Windows Server 2019 - (Base)
Timeline
2019-05-14: patched: Microsoft released security updates to address the vulnerability.
2022-03-15: kev added: Added to CISA's Known Exploited Vulnerabilities Catalog.