CVE-2019-1251: Microsoft Windows 10

Medium severity, CVSS 5.5. EPSS: 1.7% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists when DirectWrite improperly discloses the contents of its memory, aka 'DirectWrite Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-1244, CVE-2019-1245.

Affected products

• Microsoft Windows 10: version 1703 only; version 1709 only; version 1803 only; version 1809 only; version 1903 only
• Microsoft Windows Server 2016: version 1803 only; version 1903 only
• Microsoft Windows Server 2019: affected versions not specified

Published 2019-09-11. Last modified 2026-06-17.