HIGHCVSS v3.1 7.8Actively exploited · CISA KEV since 2022-03-15Vulnerability

CVE-2019-1253

A privilege escalation vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.

Properties

Euvd product
Windows, Windows Server, Windows Server, version 1903 (Server Core installation), Windows 10 Version 1903 for x64-based Systems, Windows 10 Version 1903 for 32-bit Systems, Windows 10 Version 1903 for ARM64-based Systems
Vulnerability name
Microsoft Windows AppX Deployment Server Privilege Escalation Vulnerability
First seen
2025-10-21T23:45:30+00:00
Cvss score
7.8
Epss score
0.11616
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-04-05
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-03-15T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-03-15
Score
7.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Microsoft
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (20)

AFFECTS_PRODUCT (17)

→[Product]cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_server_1903:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:arm64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:arm64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:arm64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_server_1803:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x64:*

DESCRIBES (1)

←[KEVEntry]Microsoft Windows AppX Deployment Server Privilege Escalation Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Link Resolution Before File Access ('Link Following')

INVOLVES (1)

←[Signal]kev_added · 2022-03-15

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CVE-2019-1253 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal