CVE-2026-20658 describes a package validation vulnerability in Apple macOS that could allow an attacker to gain root privileges. With a CVSS score of 7.8 (High), this local vulnerability requires low privileges and no user interaction, posing a significant risk of complete compromise of confidentiality, integrity, and availability. Apple has addressed this by blocking the vulnerable package in macOS Tahoe 26.3. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0, < 26.3CPE match | cpe:2.3:a:apple:macos:*:*:*:*:*:*:*:* | ||
>= 26.0, < 26.3CPE matchmatch criteria | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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.
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.