CVE-2019-1253

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.116 · 96 %ileexploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 5 exploits · PoC

Likely / severe?

11.6% (96th) EPSS

CVSS 7.2 · high

Is it mine?

35 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · fstec_bdu

added 2022-03-15remediate by 2022-04-05

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Microsoft Windows AppX Deployment Server Privilege Escalation Vulnerability

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USCWE-59US

exploits (5)

Public proof-of-concept and weaponised exploit code.

EDB-47389AppXSvc - Privilege EscalationPoC · exploit_db
likekabin/CVE-2019-1253likekabin/CVE-2019-1253PoC · poc_in_github
padovah4ck/CVE-2019-1253Poc for CVE-2019-1253PoC · poc_in_github
rogue-kdc/CVE-2019-1253rogue-kdc/CVE-2019-1253PoC · poc_in_github
sgabe/CVE-2019-1253AppXSvc Arbitrary File Security Descriptor Overwrite EoPPoC · poc_in_github

affected products (35)

Products and version ranges known to be affected.

Microsoft Windows≤ 10 Version 1809 for x64-based Systemsenisa_euvdEU
Microsoft Windows≤ 10 Version 1703 for 32-bit Systemsenisa_euvdEU
Microsoft Windows≤ 10 Version 1809 for ARM64-based Systemsenisa_euvdEU
Microsoft Windows≤ 10 Version 1803 for x64-based Systemsenisa_euvdEU
Microsoft Windows≤ 10 Version 1703 for x64-based Systemsenisa_euvdEU
Microsoft Windows≤ 10 Version 1803 for 32-bit Systemsenisa_euvdEU
Microsoft Windows≤ 10 Version 1709 for ARM64-based Systemsenisa_euvdEU
Microsoft Windows≤ 10 Version 1709 for 32-bit Systemsenisa_euvdEU
Microsoft Windows≤ 10 Version 1809 for 32-bit Systemsenisa_euvdEU
Microsoft Windows≤ 10 Version 1803 for ARM64-based Systemsenisa_euvdEU
Microsoft Windows≤ 10 Version 1709 for x64-based Systemsenisa_euvdEU
Microsoft Windows 10 Version 1903 for 32-bit Systems≤ unspecifiedenisa_euvdEU
Microsoft Windows 10 Version 1903 for ARM64-based Systems≤ unspecifiedenisa_euvdEU
Microsoft Windows 10 Version 1903 for x64-based Systems≤ unspecifiedenisa_euvdEU
Microsoft Windows Server≤ 2019 (Core installation)enisa_euvdEU
Microsoft Windows Server≤ version 1803 (Core Installation)enisa_euvdEU
Microsoft Windows Server≤ 2019enisa_euvdEU
Microsoft Windows Server, version 1903 (Server Core installation)≤ unspecifiedenisa_euvdEU
Microsoft Corp Windows 10 1703all versionsfstec_bduRU
Microsoft Corp Windows 10 1709all versionsfstec_bduRU

showing 20 of 35

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu NVD CVE.org MITRE

published 2019-09-11modified 2026-06-17

references (13)

External citations — patches, advisories, analysis.

scry

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