CVE-2019-1129 Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation
Attackers can escalate privileges by exploiting improper hard link handling in the Windows AppX Deployment Service.
- Exploited in the wild
- Since 15 Mar 2022
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1129?
CVE-2019-1129 is a high-severity vulnerability in Microsoft Windows 10 1809, published on 29 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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-2019-1130.
Weakness: CWE-59
Which versions are affected by CVE-2019-1129?
It affects 8 products.
Products include Microsoft Windows 10 1703, Microsoft Windows 10 1709, Microsoft Windows 10 1803, Microsoft Windows 10 1809, Microsoft Windows 10 1903, Microsoft Windows Server 1803 and 2 more.
How do I fix CVE-2019-1129?
No fix has been published for CVE-2019-1129 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 5 Apr 2022.
Is CVE-2019-1129 being exploited?
Yes. Attackers have exploited CVE-2019-1129 in the wild since at least 15 Mar 2022, including in ransomware campaigns.
Other vulnerabilities in Microsoft Windows 10 1809
Sources
Also known as GHSA-jcpw-f7c4-6wr7.