CVE-2019-0841

Known Exploited Public Exploit

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-2019-0730, CVE-2019-0731, CVE-2019-0796, CVE-2019-0805, CVE-2019-0836.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 85.92% Top 5%
KEV Since 
Vendor Advisory microsoft.com
Affected: Microsoft Windows
Affected: Microsoft Windows Server
Published at:
Updated at:

References

Link Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841 patch vendor advisory
https://www.exploit-db.com/exploits/46683/ exploit vdb entry third party advisory
http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html vdb entry third party advisory
https://www.zerodayinitiative.com/advisories/ZDI-19-360/ vdb entry third party advisory
http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html vdb entry third party advisory
http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html vdb entry third party advisory
http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html vdb entry third party advisory
http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-0841?
CVE-2019-0841 has been scored as a high severity vulnerability.
How to fix CVE-2019-0841?
To fix CVE-2019-0841, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-0841 being actively exploited in the wild?
It is confirmed that CVE-2019-0841 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~86% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-0841?
CVE-2019-0841 affects Microsoft Windows, Microsoft Windows Server.
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