CVE-2019-0841

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-03-15. Federal remediation due 2022-04-05.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

41.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.6% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-04-09 20:18Z7 YR AGO

Last updated

2025-10-21 23:45Z10 MO AGO

Reserved

2018-11-26

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-59Improper Link Resolution Before File Access ('Link Following')Base

Data version

5.1

Document digest

008dcb677484795ad45c884012cc29b161db531164120aeeebde9e5a06295b79

• portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841x_refsource_MISC
• www.exploit-db.com46683https://www.exploit-db.com/exploits/46683/exploitx_refsource_EXPLOIT-DB
• packetstormsecurity.comhttp://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.htmlx_refsource_MISC
• www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-19-360/x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.htmlx_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.htmlx_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.htmlx_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.htmlx_refsource_MISC
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0841government-resource