CVE-2019-1385
CVE-2019-1385 is a high-severity vulnerability in Microsoft Windows 10 1709 with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-05-23). The underlying weakness is classified as CWE-59.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.1
- EPSS exploit prediction: 4% (88th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2022-05-23)
- EU (EUVD) id: EUVD-2019-9942
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-05-23)
- Weakness: CWE-59
- Affected product: Microsoft Windows 10 1709
- Published:
- Last modified:
Description
An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.To exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.The security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges., aka 'Windows AppX Deployment Extensions Elevation of Privilege Vulnerability'.
Frequently asked questions
- What is CVE-2019-1385?
- An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.To exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.The security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges., aka 'Windows AppX Deployment Extensions Elevation of Privilege Vulnerability'.
- How severe is CVE-2019-1385?
- CVE-2019-1385 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-1385 being actively exploited?
- Yes. CVE-2019-1385 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-05-23, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2019-1385?
- CVE-2019-1385 primarily affects Microsoft Windows 10 1709. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2019-1385?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2019-1385 have an EU (EUVD) identifier?
- Yes. CVE-2019-1385 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-9942. It is also flagged as exploited in the EUVD (since 2022-05-23).
- When was CVE-2019-1385 published?
- CVE-2019-1385 was published on 2019-11-12 and last updated on 2026-06-17.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1385
- https://www.zerodayinitiative.com/advisories/ZDI-19-979/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1385
Affected products (6)
- cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
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