CVE-2026-20658

HIGH
2026-02-11 [email protected]
7.8
CVSS 3.1
Share

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 11, 2026 - 23:16 nvd
HIGH 7.8

Tags

Apple macOS

Description

A package validation issue was addressed by blocking the vulnerable package. This issue is fixed in macOS Tahoe 26.3. An app may be able to gain root privileges.

Analysis

Unprivileged local users on macOS can exploit a package validation bypass to escalate privileges to root through a vulnerable application. This high-severity issue affects macOS systems up to version 26.2 and requires local access with standard user privileges. …

Sign in for full analysis, threat intelligence, and remediation guidance.

Remediation

Within 24 hours: Inventory all macOS Tahoe systems in your environment and assess exposure; communicate risk status to business unit leaders. Within 7 days: Implement network-based monitoring for suspicious package installations and restrict administrative privileges where feasible; consider isolating critical systems if they cannot be patched. …

Sign in for detailed remediation steps.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0

Share

CVE-2026-20658 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy