CVE-2018-4456 is a memory corruption vulnerability in macOS, specifically affecting versions prior to macOS High Sierra 10.13.6 and macOS Mojave 10.14. It was addressed by Apple through improved input validation. This vulnerability carries a high CVSS score of 7.8, indicating a significant risk, and could lead to high impact on confidentiality, integrity, and availability if exploited. While there is no known active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered some community discussion and media coverage, including a SecurityWeek article detailing privilege escalation flaws in Apple's IntelHD5000 Kernel Extension.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 10.13.6CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/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, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.