CVE-2019-1253

7.8

CVSS
High

PUBLISHED

An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability,...

Exploited in the wild Used in malware Low complexity No user interaction

Vendor: Microsoft
Product: Windows, Windows Server, Windows 10 Version 1903 for 32-bit Systems, Windows 10 Version 1903 for x64-based Systems, Windows 10 Version 1903 for ARM64-based Systems, Windows Server, version 1903 (Server Core installation)
Published: Sep 11, 2019
EPSS: —

Description

An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1215, CVE-2019-1278, CVE-2019-1303.

windows cisa malware ransomware microsoft

CVSS scores

CVSS v3.1 7.8 High

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

CVSS v2.0 7.2

AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitation status

Exploited in the wild

Recorded 2022-03-15 00:00:00 UTC · Source

Used in malware

Recorded 2022-03-15 00:00:00 UTC · Source

SSVC decision points

Exploitation: active
Automatable: No
Technical impact: total

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source	Added
CISA	Mar 15, 2022

Potential proof of concepts

These PoCs are unverified and could contain malware. Use at your own risk.

sgabe/CVE-2019-1253

github · Created 2019-09-11 23:28:59 UTC · 20 stars

AppXSvc Arbitrary File Security Descriptor Overwrite EoP

padovah4ck/CVE-2019-1253

github · Created 2019-09-11 20:40:15 UTC · 156 stars

Poc for CVE-2019-1253

likekabin/CVE-2019-1253

github · Created 2019-09-11 09:59:22 UTC · 0 stars

rogue-kdc/CVE-2019-1253

github · Created 2019-04-10 09:44:38 UTC · 50 stars

Vulnerability detail