CVE-2026-20632: An app may be able to access sensitive user data in Apple macOS
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.
AI Analysis
Technical Summary
This vulnerability involves improper validation of directory paths in macOS, which could allow a malicious application to access sensitive user data by exploiting the parsing flaw. The issue is classified under CWE-284 (Improper Access Control). Apple fixed the vulnerability in macOS Tahoe 26.4 by improving path validation to prevent unauthorized data access. The CVSS vector indicates the attack can be performed remotely without privileges or user interaction, impacting confidentiality only.
Potential Impact
An attacker could potentially access sensitive user data due to improper directory path validation. The vulnerability does not affect system integrity or availability. No known exploits are reported in the wild, reducing immediate risk. The impact is limited to confidentiality loss.
Mitigation Recommendations
A fix is available in macOS Tahoe 26.4. Users and administrators should update to this version or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official patch from Apple. No additional mitigation steps are indicated by the vendor.
CVE-2026-20632: An app may be able to access sensitive user data in Apple macOS
Description
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper validation of directory paths in macOS, which could allow a malicious application to access sensitive user data by exploiting the parsing flaw. The issue is classified under CWE-284 (Improper Access Control). Apple fixed the vulnerability in macOS Tahoe 26.4 by improving path validation to prevent unauthorized data access. The CVSS vector indicates the attack can be performed remotely without privileges or user interaction, impacting confidentiality only.
Potential Impact
An attacker could potentially access sensitive user data due to improper directory path validation. The vulnerability does not affect system integrity or availability. No known exploits are reported in the wild, reducing immediate risk. The impact is limited to confidentiality loss.
Mitigation Recommendations
A fix is available in macOS Tahoe 26.4. Users and administrators should update to this version or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official patch from Apple. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2025-11-11T14:43:07.860Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 69c333d6f4197a8e3baae815
Added to database: 3/25/2026, 1:01:10 AM
Last enriched: 4/10/2026, 8:52:03 AM
Last updated: 4/30/2026, 11:27:16 AM
Views: 25
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.