Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2019-1476 — Link Following in Microsoft Windows

CWE-59 — Link Following11 documents7 sources
Severity
7.8HIGHNVD
EPSS
35.6%
top 2.92%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
10
Microsoft WindowsMicrosoft Windows 10 Version 1903 FOR 32-bit SystemsMicrosoft Windows 10 Version 1903 FOR Arm64-based Systems+7 more
Timeline
PublishedDec 10
Latest updateMay 24

Description

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-2019-1483.

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 Packages10 packages

▶CVEListV5microsoft/windows11 versions+10
▶NVDmicrosoft/windows1803, 1903, 1909+2
▶NVDmicrosoft/windows_106 versions+5
▶CVEListV5microsoft/windows_server5 versions+4

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

4
GHSA
GHSA-p63v-jvxj-6r27: An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions↗2022-05-24
▶
GHSA
GHSA-326j-x45p-9g82: An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of↗2022-05-24
▶
CVEList
CVE-2019-1476: An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of↗2019-12-10
▶
CVEList
CVE-2019-1483: An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions↗2019-12-10
▶

💥Exploits & PoCs

1
Exploit-DB
AppXSvc 17763 - Arbitrary File Overwrite (DoS)↗2019-12-11
▶

📋Vendor Advisories

1
Microsoft
Windows Elevation of Privilege Vulnerability↗2019-12-10
▶

🕵️Threat Intelligence

2
Talos
Microsoft Patch Tuesday — Dec. 2019: Vulnerability disclosures and Snort coverage↗2019-12-10
▶
Talos
Microsoft Patch Tuesday — Dec. 2019: Vulnerability disclosures and Snort coverage↗2019-12-10
▶

💬Community

1
Bugzilla
CVE-2019-7845 flash-plugin: Arbitrary Code Execution vulnerability (APSB19-30)↗2019-06-11
▶
CVE-2019-1476 — Link Following in Microsoft Windows | cvebase