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CVE-2019-1423

23
FAUCET Score

CVE-2019-1423 is an elevation of privilege vulnerability in Microsoft Windows 10, specifically within the StartTileData.dll component, allowing for file creation in protected locations. With a CVSS score of 7.8 (High), a local attacker with low privileges can achieve high confidentiality, integrity, and availability impacts without user interaction. There is no evidence of active exploitation, nor are there publicly available exploit modules like Metasploit or Nuclei. While there is limited community discussion and media coverage, organizations should still apply the relevant patches to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
1903CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.33%
Probability of exploitation in next 30 days
EPSS Percentile
68.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0133 is in the 94th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1903 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1903 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1903 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server, version 1903 (Server Core installation)
View patch

Vendor Advisories (1)

microsoft2019-Nov/CVE-2019-1423Important

Windows Elevation of Privilege Vulnerability

Nov 12, 2019

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2019-1423
PatchVendor Advisory
zerodayinitiative.com / advisories/ZDI-19-978
Third Party Advisory