A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles specially…

published 2019-11-12 6y ago modified 2026-06-17 4mo ago also EUVD-2019-10013

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 9.7%; EPSS 9.7% chance of exploitation in 30 days, percentile 95%
public exploits: 0; none known

A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles specially crafted OpenType fonts, aka 'OpenType Font Parsing Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-1419.

Patch / fix

links 1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1456 advisory

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Exploit prediction

9.70% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Microsoft Windows
Microsoft Windows Server
Microsoft Windows 10 Version 1903 for 32-bit Systems
Microsoft Windows 10 Version 1903 for x64-based Systems
Microsoft Windows 10 Version 1903 for ARM64-based Systems
Microsoft Windows Server, version 1903 (Server Core installation)

Classification

Weakness

CWE-787 Out-of-bounds Write

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2019-1456
patch, vendor-advisory
zerodayinitiative.com /advisories/ZDI-19-986/
third-party-advisory

Sources

CVE List CVE-2019-1456
NVD CVE-2019-1456

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