CVE-2020-3886 is a use-after-free vulnerability in macOS, affecting Catalina 10.15.4 and earlier versions of Mojave and High Sierra. This flaw, rated 7.8 HIGH, could allow a malicious application to execute arbitrary code with kernel privileges if a user is tricked into running it. While no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for kernel-level compromise makes patching critical. Apple addressed this issue with improved memory management in macOS Catalina 10.15.4 and corresponding security updates.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 10.13, < 10.13.6CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | ||
>= 10.14, < 10.14.6CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | ||
>= 10.15, < 10.15.4CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | ||
10.13.6CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:10.13.6:-:*:*:*:*:*:* | ||
10.13.6CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.