CVE-2019-1121 is a remote code execution vulnerability in Microsoft DirectWrite, affecting Windows 10, Windows Server 2016, and Windows Server 2019. This flaw, stemming from how DirectWrite handles objects in memory, allows an attacker to execute arbitrary code on a vulnerable system. With a CVSS score of 8.8 (High), it can be exploited remotely with low attack complexity, requiring user interaction, and potentially leading to full compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, an ExploitDB entry (EDB-47097) details a related heap-based out-of-bounds read/write, indicating public exploit code availability. Community discussion and media coverage suggest moderate attention, with one article highlighting its inclusion in Microsoft's July 2019 Patch Tuesday.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1709CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* | ||
1803CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* | ||
1809CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* | ||
1903CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* | ||
1803CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.