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    CVE-2019-0841

    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.

    Published:Apr 9, 2019
    Last Modified:Oct 29, 2025
    EPS:Apr 9, 2019
    EPSS Score:0.80798
    CVSS Score:7.8

    CISA Notification

    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.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Apr 5, 2022
    1620 days ago
    Alert Date
    Mar 15, 2022
    1641 days ago

    Affected Products

    Vendor
    Microsoft
    Product
    Windows 10 1703
    Vendor
    Microsoft
    Product
    Windows 10 1709
    Vendor
    Microsoft
    Product
    Windows 10 1803
    Vendor
    Microsoft
    Product
    Windows 10 1809
    Vendor
    Microsoft
    Product
    Windows Server 2016
    Vendor
    Microsoft
    Product
    Windows Server 2019

    Exploits

    http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.htmlhttps://www.exploit-db.com/exploits/46683/http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.htmlhttps://www.exploit-db.com/exploits/46683/https://www.exploit-db.com/exploits/46938https://github.com/0x00-0x00/CVE-2019-0841-BYPASShttps://github.com/likekabin/CVE-2019-0841https://github.com/mappl3/CVE-2019-0841https://github.com/rogue-kdc/CVE-2019-0841https://www.exploit-db.com/exploits/46683https://www.exploit-db.com/exploits/46976https://www.exploit-db.com/exploits/47128

    Related CVEs

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    CVE-2023-21722 (CVSS 5) — .NET Framework Denial of Service Vulnerability…
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    CVE-2022-38396 (CVSS 7.8) — HP Factory Preinstalled Images on certain systems that shipped with Windows 10 versions 20H2 and earlier OS ve…
    CVE-2019-1315 (CVSS 7.8) — An elevation of privilege vulnerability exists when Windows Error Reporting manager improperly handles hard li…
    CVE-2019-1367 (CVSS 7.5) — A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in…
    CVE-2019-1253 (CVSS 7.8) — An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junc…
    CVE-2019-1214 (CVSS 7.8) — An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperl…

    References

    http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html
    http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html
    http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html
    http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html
    http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html
    https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841
    https://www.exploit-db.com/exploits/46683/
    https://www.zerodayinitiative.com/advisories/ZDI-19-360/
    http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html
    http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html
    http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html
    http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html
    http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html
    https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841
    https://www.exploit-db.com/exploits/46683/
    https://www.zerodayinitiative.com/advisories/ZDI-19-360/
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0841

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High