CVE-2019-1476

Exp

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-2019-1483.

Published: 2019-12-10 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-1476 is rated High Exploit Risk (73.1/100): CVSS High severity, with high exploitation likelihood (EPSS 5.12%, 91th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2019-1476

EDB-ID Source Kind Published Link
47768 exploit_db edb 2019-12-11 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2019-1476

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 35.61% 5.12% -30.49%
2 2026-03-29 33.23% 35.61% +2.38%
3 2026-03-17 — 33.23% —

Full EPSS history (46 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-1476

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.8 5.9 [email protected]
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-2019-1476

Affected software / configurations for CVE-2019-1476

Vendor Product Version Raw CPE
microsoft windows_10 1607 cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
microsoft windows_10 1709 cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*
microsoft windows_10 1803 cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
microsoft windows_10 1809 cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
microsoft windows_10 1903 cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
microsoft windows_10 1909 cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
microsoft windows_server_2016 — cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
microsoft windows_server_2016 1803 cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
microsoft windows_server_2016 1903 cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
microsoft windows_server_2016 1909 cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
microsoft windows_server_2019 — cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

References for CVE-2019-1476

cvelogic Threat Intelligence