Security Resilience

CVE-2019-1385

Microsoft Windows 10 1709

CISA KEVActive ExploitationEUVD ExploitedRansomware-linked
Published
12 November 2019
Modified
12 August 2026
KEV Added
23 May 2022
Patch / advisory
View advisory
CVSS Score v3.1 7.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.036 89th percentile
Risk Priority 83 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2019-1385 is a high-severity Link Following (CWE-59) vulnerability in Microsoft Windows 10 1709. Its CVSS base score is 7.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Security Account Manager (T1003.002); ranked in the top 11% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

An elevation of privilege vulnerability exists in the Windows AppX Deployment Extensions when the component improperly performs privilege management, resulting in unauthorized access to system files. The affected software is the AppX Deployment Extensions functionality in Windows, as identified under CVE-2019-1385 with an associated CWE-59 weakness and a CVSS 3.1 base score of 7.8 reflecting local attack vector, low complexity, and high impact on confidentiality, integrity, and availability.

An authenticated attacker can exploit the issue by running a specially crafted application on the target system, which allows elevation of privileges without requiring user interaction beyond the initial execution.

Microsoft security updates address the vulnerability by correcting how AppX Deployment Extensions manages privileges, as detailed in the associated advisory. The flaw is also tracked in CISA's catalog of known exploited vulnerabilities, confirming observed real-world exploitation activity.

OWASP Top 10 for Web (2025)

A01:2025 Broken Access Control

EU & UK References

Vulnerability Data

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…

more

update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges., aka 'Windows AppX Deployment Extensions Elevation of Privilege Vulnerability'.

CWE(s)
CWE-59
KEV Date Added
23 May 2022

Related Threats

MITRE ATT&CK Enterprise Techniques

T1003.002 Security Account Manager Credential Access
Adversaries may attempt to extract credential material from the Security Account Manager (SAM) database either through in-memory techniques or through the Windows Registry where the SAM database is stored.
attack.mitre.org →
T1003.005 Cached Domain Credentials Credential Access
Adversaries may attempt to access cached domain credentials used to allow authentication to occur in the event a domain controller is unavailable.
attack.mitre.org →
T1011 Exfiltration Over Other Network Medium Exfiltration
Adversaries may attempt to exfiltrate data over a different network medium than the command and control channel.
attack.mitre.org →
T1016 System Network Configuration Discovery Discovery
Adversaries may look for details about the network configuration and settings, such as IP and/or MAC addresses, of systems they access or through information discovery of remote systems.
attack.mitre.org →
T1020 Automated Exfiltration Exfiltration
Adversaries may exfiltrate data, such as sensitive documents, through the use of automated processing after being gathered during Collection.
attack.mitre.org →
T1021.003 Distributed Component Object Model Lateral Movement
Adversaries may use [Valid Accounts](https://attack.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2019-0841Same product: Microsoft Windows 10 1709both on KEV
CVE-2019-1129Same product: Microsoft Windows 10 1709both on KEV
CVE-2019-1253Same product: Microsoft Windows 10 1709both on KEV
CVE-2019-1064Same product: Microsoft Windows 10 1709both on KEV
CVE-2019-1069Same product: Microsoft Windows 10 1709both on KEV
CVE-2020-0638Same product: Microsoft Windows 10 1709both on KEV
CVE-2019-1315Same product: Microsoft Windows 10 1709both on KEV
CVE-2019-1130Same product: Microsoft Windows 10 1709both on KEV
CVE-2020-0787Same product: Microsoft Windows 10 1709both on KEV
CVE-2020-0683Same product: Microsoft Windows 10 1709both on KEV

Affected Assets

microsoft
windows 10 1709
all versions
microsoft
windows 10 1803
all versions
microsoft
windows 10 1809
all versions
microsoft
windows 10 1903
all versions
microsoft
windows server 2016
all versions
microsoft
windows server 2019
all versions

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 partial match
blocks

Secure SDLC practices directly require code to validate paths and avoid unsafe link following.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.14 Information transfer partial match
removes
A.5.15 Access control partial match
removes
A.5.16 Identity management partial match
removes
A.5.17 Authentication information partial match
removes
A.5.18 Access rights partial match
removes
A.8.10 Information deletion partial match
removes

References