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Fencer Vulns
high 8.8

CVE-2019-1122 in the critical feed json

A remote code execution vulnerability exists in the way that DirectWrite handles objects in memory, aka 'DirectWrite Remote Code Execution…

published 2019-07-15 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9699

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.9%
EPSS 16.9% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

A remote code execution vulnerability exists in the way that DirectWrite handles objects in memory, aka 'DirectWrite Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-1117, CVE-2019-1118, CVE-2019-1119, CVE-2019-1120, CVE-2019-1121, CVE-2019-1123, CVE-2019-1124, CVE-2019-1127, CVE-2019-1128.

Patch / fix

Timeline

  1. First public exploit (EDB-47098)
  2. Published

Exploit prediction

16.94% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-47098 Microsoft DirectWrite / AFDKO - Heap-Based Buffer Overflow in OpenType Font Handling in readStrings dos, 2019-07-10

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

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)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.