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Fencer Vulns
critical 9.8

CVE-2023-23526 json

This was addressed with additional checks by Gatekeeper on files downloaded from an iCloud shared-by-me folder.

published 2023-05-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27626

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

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.

Patch / fix

  • Apple macOS 13.3
  • Apple iOS and iPadOS 16.4

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
21 mo ago

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Apple macOS
  • Apple iOS and iPadOS

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.