CVE-2019-1253

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.

Affected

Microsoft · 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)

CVSS v3.1 NVD

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

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

11.62% chance of exploitation in the next 30 days, 96th percentile

CISA KEV

added 2022-03-15, used in ransomware campaigns

Published

2019-09-11

Updated

2025-10-21

Proof-of-concept exploits (6)

• likekabin/CVE-2019-12530★ · 2019-09-11
• likescam/CVE-2019-12530★ · 2019-09-11
• offsec-ttps/CVE2019-1253-Compiled0★ · 2019-09-30
• padovah4ck/CVE-2019-1253152★ · 2021-12-23
• rogue-kdc/CVE-2019-125350★ · 2019-09-11
• sgabe/CVE-2019-125319★ · 2019-09-15

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/47389

Security advisories

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1253
• http://packetstormsecurity.com/files/154488/AppXSvc-17763.1.amd64fre.rs5_release.180914-1…

References

• CVE Record
• NVD entry

Related

• CVE-2013-0074
• CVE-2015-5477
• CVE-2016-2434
• CVE-2016-5342
• CVE-2016-8655
• CVE-2017-0199