CVE-2019-1129 | BDVDB-2026-119910 Detail

MicrosoftWindows

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-2019-1130.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-59 Improper Link Resolution Before File Access ('Link Following')

References#

Exploit#

No public exploit known

History#

Version 12019-07-29Record published in the CVE List.
Version 22025-10-21Most recent update recorded in the CVE List.

Published

Published: 2019-07-29
Last modified: 2025-10-21

Vendor information

Vendor: Microsoft
Product: Windows

All Microsoft vulnerabilities

Score

7.8 High

EPSS

1.7%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 78.4.

KEV

Yes

Listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

Apply updates per vendor instructions.

Affected Systems

Vulnerable
10 Version 1703 for 32-bit Systems
Fixed
Not stated
Vulnerable
10 Version 1703 for x64-based Systems
Fixed
Not stated
Vulnerable
10 Version 1709 for 32-bit Systems
Fixed
Not stated
Vulnerable
10 Version 1709 for x64-based Systems
Fixed
Not stated
Vulnerable
10 Version 1803 for 32-bit Systems
Fixed
Not stated
Vulnerable
10 Version 1803 for x64-based Systems
Fixed
Not stated
Vulnerable
10 Version 1803 for ARM64-based Systems
Fixed
Not stated
Vulnerable
10 Version 1809 for 32-bit Systems
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).