How severe is CVE-2019-1388?

CVE-2019-1388 has a CVSS 3.1 base score of 7.8 (HIGH). EPSS estimates a 8.6% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2019-1388: Microsoft Windows Certificate Dialog Privilege

CISA Known Exploited Vulnerabilities

Microsoft Windows Certificate Dialog Privilege Escalation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-04-07

Remediation due

2023-04-28

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1388; https://nvd.nist.gov/vuln/detail/CVE-2019-1388

Description

An elevation of privilege vulnerability exists in the Windows Certificate Dialog when it does not properly enforce user privileges, aka 'Windows Certificate Dialog Elevation of Privilege Vulnerability'.

Severity

CVSS 3.1 · CISA7.8 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 13, 2026

All KEV statistics→

CISA added CVE-2019-1388 to the KEV catalog 1,242 days after its CVE record was published. The median for entries added in 2023 is 12 days.
It is one of 390 Microsoft entries in the CISA KEV catalog, and one of 27 added in 2023.
Its current EPSS score (8.6%) is higher than that of 24% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
Microsoft	Microsoft Windows	7 for 32-bit Systems Service Pack 1 7 for x64-based Systems Service Pack 1 8.1 for 32-bit systems 8.1 for x64-based systems RT 8.1 10 for 32-bit Systems 10 for x64-based Systems 10 Version 1607 for 32-bit Systems 10 Version 1607 for x64-based Systems 10 Version 1709 for 32-bit Systems 10 Version 1709 for x64-based Systems 10 Version 1803 for 32-bit Systems 10 Version 1803 for x64-based Systems 10 Version 1803 for ARM64-based Systems 10 Version 1809 for 32-bit Systems 10 Version 1809 for x64-based Systems 10 Version 1809 for ARM64-based Systems 10 Version 1709 for ARM64-based Systems
Microsoft	Microsoft Windows Server	2008 R2 for x64-based Systems Service Pack 1 (Core installation) 2008 R2 for Itanium-Based Systems Service Pack 1 2008 R2 for x64-based Systems Service Pack 1 2008 for 32-bit Systems Service Pack 2 (Core installation) 2012 2012 (Core installation) 2012 R2 2012 R2 (Core installation) 2016 2016 (Core installation) version 1803 (Core Installation) 2019 2019 (Core installation) 2008 for Itanium-Based Systems Service Pack 2 2008 for 32-bit Systems Service Pack 2 2008 for x64-based Systems Service Pack 2 2008 for x64-based Systems Service Pack 2 (Core installation)
Microsoft	Microsoft Windows 10 Version 1903 for 32-bit Systems	unspecified
Microsoft	Microsoft Windows 10 Version 1903 for x64-based Systems	unspecified
Microsoft	Microsoft Windows 10 Version 1903 for ARM64-based Systems	unspecified
Microsoft	Microsoft Windows Server, version 1903 (Server Core installation)	unspecified

References

2 Links

Other references

Record Details

Published

2019-11-12

Last updated

2025-10-21

Assigner (CNA)

microsoft

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.