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CVE-2026-86949: A malicious app may be able to break out of its sandbox in Apple Xcode

0
High
VulnerabilityCVE-2026-86949cvecve-2026-86949
Published: 10/20/2026 (10/20/2026, 00:50:54 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: Xcode

Description

CVE-2026-86949 is a vulnerability in Apple Xcode where a malicious app could potentially break out of its sandbox. This issue was addressed by enforcing library validation on affected binaries. The vulnerability is fixed in Xcode version 27.

Affected software

Apple

Xcode

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

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/20/2026, 01:34:05 UTC

Technical Analysis

This vulnerability in Apple Xcode allowed a malicious application to escape its sandbox environment, potentially bypassing security restrictions. The issue was resolved by implementing library validation on the affected binaries, preventing unauthorized code execution outside the sandbox. The fix is included starting with Xcode 27.

Potential Impact

A malicious app exploiting this vulnerability could break out of its sandbox, potentially leading to unauthorized access or actions beyond the app's intended permissions. This could compromise system security by allowing code execution or access to resources that should be isolated.

Mitigation Recommendations

Upgrade to Xcode version 27 or later, where this vulnerability is fixed by enforcing library validation on affected binaries. No additional mitigation is required once updated.

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Technical Details

Data Version
5.2
Assigner Short Name
apple
Date Reserved
2026-09-08T16:43:41.881Z
State
PUBLISHED

Threat ID: 6ad6c19f2cdf04f656e4a8c7

Added to database: 10/20/2026, 01:19:27 UTC

Last enriched: 10/20/2026, 01:34:05 UTC

Last updated: 10/20/2026, 01:34:17 UTC

Views: 3

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