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CVE-2019-0841

is CVE-2019-0841real, exploitable, or a false positive? Here's the community ground truth.

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High · CVSS 7.8EPSS 41.7%CISA KEVCWE-59

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

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.

References

NVD MITRE CVE.org CISA KEV

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Community ground truth

Community verdict

2 verdicts
Not a real issue

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Community real-world severity: Critical (Critical 2) — CVSS base score 7.8

Practitioners rate this higher than its CVSS — treat with extra caution.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Yuki TanakaCurated

    Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability — A privilege escalation vulnerability exists when Windows AppXSVC improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context. Listed in the CISA KEV catalog (added 2022-03-15) — confirmed exploited in the wild, not theoretical. It is linked to known ransomware campaigns. FIRST EPSS puts the chance of exploitation in the next 30 days at ~42%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · Hanna BergCurated

    Required action for Microsoft Windows: Apply updates per vendor instructions. CISA set a federal remediation due date of 2022-04-05. After patching, verify the vulnerable path is no longer reachable before closing the finding.

Related CVEs

Same weakness — CWE-59.