CVE-2019-1423

Name: CVE-2019-1423
Creator: NVD / NIST
Published: 2019-11-12T19:15:14.363+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.33%

Last modified Jun 17, 2026

CVE-2019-1423 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An elevation of privilege vulnerability exists in the way that the StartTileData.dll handles file creation in protected locations, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1420, CVE-2019-1422.. EPSS estimates a 1.33% chance of exploitation in the next 30 days.

Description

An elevation of privilege vulnerability exists in the way that the StartTileData.dll handles file creation in protected locations, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1420, CVE-2019-1422.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.33%

67.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-59

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10	1903

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1423Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-19-978/Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1423Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-19-978/Third Party Advisory

Timeline

Published: Nov 12, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-1423?

How severe is CVE-2019-1423?

CVE-2019-1423 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.33% probability of exploitation in the next 30 days.

How do I fix CVE-2019-1423?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-1423?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST