CVE-2019-1388
Published 2019-11-12 · Updated 2026-06-17 · Source secure@microsoft.com
Summary
CVE-2019-1388 is a high-severity (CVSS 7.8) vulnerability in Microsoft Windows. CISA added it to the Known Exploited Vulnerabilities catalog on April 7, 2023, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 28, 2023. CISA also lists it as known to be used in ransomware campaigns, so it should be prioritised accordingly. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.
All 390 known-exploited Microsoft vulnerabilities →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'.
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Microsoft — Windows
Name: Microsoft Windows Certificate Dialog Privilege Escalation Vulnerability
Date added: 2023-04-07 · Due: 2023-04-28
Required action: Apply updates per vendor instructions.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1388
- https://www.zerodayinitiative.com/advisories/ZDI-19-975/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1388
- https://www.zerodayinitiative.com/advisories/ZDI-19-975/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1388