⚠ Actively exploited in ransomware campaigns
This vulnerability is on the CISA Known Exploited Vulnerabilities list and has been used in known ransomware attacks. CISA required action: Apply updates per vendor instructions.. Due date: 2022-06-13.

CVE-2019-1385Link Following in Microsoft Windows

CWE-59Link Following10 documents9 sources
Severity
7.8HIGHNVD
EPSS
0.5%
top 34.37%
CISA KEV
KEVRansomware
Added 2022-05-23
Due 2022-06-13
Exploit
Exploited in wild
Active exploitation observed
Timeline
PublishedNov 12
KEV addedMay 23
Latest updateMay 24
KEV dueJun 13
CISA Required Action: Apply updates per vendor instructions.

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'.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages5 packages

CVEListV5microsoft/windows9 versions+8
CVEListV5microsoft/windows_server2019, 2019 (Core installation), version 1803 (Core Installation)+2

Patches

🔴Vulnerability Details

3
GHSA
GHSA-6vjh-65xf-7489: An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in acce2022-05-24
CVEList
CVE-2019-1385: An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in acce2019-11-12
VulnCheck
Microsoft Windows AppX Deployment Extensions Privilege Escalation Vulnerability2019

💥Exploits & PoCs

1
Exploit-DB
Microsoft Windows AppXsvc Deployment Extension - Privilege Escalation2019-11-25

📋Vendor Advisories

2
CISA
Microsoft Windows AppX Deployment Extensions Privilege Escalation Vulnerability2022-05-23
Microsoft
Windows AppX Deployment Extensions Elevation of Privilege Vulnerability2019-11-12

🕵️Threat Intelligence

3
Tenable
ContiLeaks: Chats Reveal Over 30 Vulnerabilities Used by Conti Ransomware – How Tenable Can Help2022-03-24
Talos
Microsoft Patch Tuesday — Nov. 2019: Vulnerability disclosures and Snort coverage2019-11-12
Talos
Microsoft Patch Tuesday — Nov. 2019: Vulnerability disclosures and Snort coverage2019-11-12
CVE-2019-1385 — Link Following in Microsoft Windows | cvebase