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CVE-2026-20677 Apple CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-02-11T23:16:10.107Z and has not been modified since then. This race condition vulnerability, addressed with improved handling of symbolic links in Apple products, affects multiple platforms including iOS, iPadOS, macOS, and visionOS. The issue allows a shortcut to potentially bypass sandbox restrictions. Organizations and users of Apple products should be aware of this vulnerability and apply patches promptly. The CVE record indicates a race condition vulnerability addressed with improved handling of symbolic links, affecting multiple Apple products. The issue is fixed in various updates including iOS 18.7.5, iPadOS 18.7.5, and macOS Sequoia 15.7.4. Defenders should verify patch deployment, review sandbox restrictions, and monitor for suspicious activity related to shortcuts and symbolic links.

Vendor
Apple
Product
iOS and iPadOS
CVSS
CRITICAL 9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-02-11
Original CVE updated
2026-08-21
Advisory published
2026-02-11
Advisory updated
2026-08-21

Who should care

Organizations and users of Apple products, particularly those using iOS, iPadOS, macOS, and visionOS, should be aware of this vulnerability and apply patches promptly. IT teams, security professionals, and system administrators responsible for Apple product deployments should prioritize patching and review sandbox restrictions. Additionally, developers using Apple's platforms should consider the potential impact on their applications and users.

Technical summary

A race condition vulnerability was addressed with improved handling of symbolic links in Apple products. This issue, fixed in various updates, allows a shortcut to potentially bypass sandbox restrictions. The vulnerability affects iOS, iPadOS, macOS, and visionOS. Technical details are limited, but defenders should focus on patching and monitoring for suspicious shortcut activity. The vulnerability was addressed in updates including iOS 18.7.5 and iPadOS 18.7.5 for mobile devices, and macOS Sequoia 15.7.4 for Mac systems. Additionally, visionOS 26.3 also includes the fix. The issue is related to how symbolic links are handled, potentially allowing malicious shortcuts to bypass intended security restrictions.

Defensive priority

Organizations using Apple products should prioritize patching this vulnerability to prevent potential sandbox bypass attacks.

Recommended defensive actions

  • Apply patches for affected Apple products
  • Inventory and update vulnerable systems
  • Monitor for suspicious activity
  • Implement compensating controls
  • Verify sandbox restrictions

Evidence notes

The CVE record indicates a race condition vulnerability addressed with improved handling of symbolic links, affecting multiple Apple products. The issue is fixed in various updates including iOS 18.7.5, iPadOS 18.7.5, and macOS Sequoia 15.7.4. Defenders should verify patch deployment, review sandbox restrictions, and monitor for suspicious activity related to shortcuts and symbolic links. Evidence is limited to CVE and vendor advisories.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-20677 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-20677

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-20677 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-20677

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.