CVE-2026-20603 — Improper Access Control in Apple Macos

CWE-284 — Improper Access Control5 documents5 sources
Severity
4.4MEDIUMNVD
EPSS
0.0%
top 95.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Apple Macos
Timeline
PublishedFeb 11
Latest updateFeb 12

Description

This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. An app with root privileges may be able to access private information.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NExploitability: 0.8 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5apple/macos< 26.3
▶NVDapple/macos< 26.3

🔴Vulnerability Details

2
GHSA
GHSA-hr8m-gc74-4f7w: This issue was addressed with improved redaction of sensitive information↗2026-02-12
▶
CVEList
CVE-2026-20603: This issue was addressed with improved redaction of sensitive information↗2026-02-11
▶

📋Vendor Advisories

1
Apple
CVE-2026-20603: macOS Tahoe 26.3↗2026-02-11
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-20603 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-20603 — Improper Access Control in Apple Macos | cvebase