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CVE-2026-28854: A maliciously modified app may not be prevented from launching in Apple macOS

0
High
VulnerabilityCVE-2026-28854cvecve-2026-28854
Published: 10/20/2026 (10/20/2026, 00:50:04 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: macOS

Description

CVE-2026-28854 is a vulnerability in Apple macOS where a maliciously modified app may not be prevented from launching due to insufficient app bundle integrity checks. This issue has been addressed and fixed in macOS Golden Gate 27.

Affected software

Apple

macOS

Affected versions
>=0 <27
GitHub Actionsmore threats →ai
apple/macos
pkg:github/apple/macos
Affected versions
>=0 <27

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/20/2026, 02:04:34 UTC

Technical Analysis

This vulnerability involves a failure in macOS to prevent the launch of apps that have been maliciously modified. The root cause was insufficient app bundle integrity verification. Apple fixed this issue by implementing additional integrity checks in macOS Golden Gate 27, thereby preventing such modified apps from launching.

Potential Impact

The vulnerability could allow a maliciously modified application to launch on affected macOS versions prior to Golden Gate 27. This could potentially enable execution of unauthorized or tampered code. However, no known exploits in the wild have been reported.

Mitigation Recommendations

Apply the official fix by upgrading to macOS Golden Gate 27 or later, where additional app bundle integrity checks have been implemented to prevent launching maliciously modified apps.

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Technical Details

Data Version
5.2
Assigner Short Name
apple
Date Reserved
2026-03-03T16:36:03.971Z
State
PUBLISHED

Threat ID: 6ad6c1972cdf04f656e4956a

Added to database: 10/20/2026, 01:19:19 UTC

Last enriched: 10/20/2026, 02:04:34 UTC

Last updated: 10/20/2026, 02:08:26 UTC

Views: 2

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