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CVE-2023-23526

CRITICALCVSS 9.8/10EPSS 0.73%

Last modified

CVE-2023-23526 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.73%

49.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
AppleIpados< 16.4
AppleIphone Os< 16.4
AppleMacos< 13.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-23526?
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.
How severe is CVE-2023-23526?
CVE-2023-23526 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.
How do I fix CVE-2023-23526?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-23526?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST