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7.8
CVE-2026-28853: macOS Sequoia and Tahoe let app gain admin rights
CVE-2026-28853 · published 16 days ago
Summary
The latest versions of macOS Sequoia (15.8) and macOS Tahoe (26.7) had a flaw that could let a regular application raise its permissions to run as an administrator. This could let the app perform actions it shouldn't be allowed to do, potentially compromising system security. Updating to the patched versions mentioned resolves the issue.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| apple | macos |
< 15.8 >= 26.0, < 26.7 |
Original advisory text
The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to elevate privileges.
The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to elevate privileges.
References
- https://support.apple.com/en-us/149042 Vendor Advisory Release Notes
- https://support.apple.com/en-us/149043 Vendor Advisory Release Notes
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Severity
7.8
High
Type
CWE-269Improper Privilege Management
Timeline
Published20 Oct 2026
Updated4 Nov 2026
First seen20 Oct 2026
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