CVE-2023-28206

Name: CVE-2023-28206
Creator: NVD / NIST
Published: 2023-04-10T19:15:07.273+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10Actively ExploitedEPSS 24.51%

Last modified Jun 17, 2026

CVE-2023-28206 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Monterey 12.6.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1, iOS 15.7.5 and iPadOS 15.7.5, macOS Big Sur 11.7.6. CISA has confirmed active exploitation in the wild. EPSS estimates a 24.51% chance of exploitation in the next 30 days.

Description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Monterey 12.6.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1, iOS 15.7.5 and iPadOS 15.7.5, macOS Big Sur 11.7.6. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

Metrics

CVSS 3.1

8.6/10

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

EPSS Probability

24.51%

97.6th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by May 1, 2023.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 15.7.5
Apple	Ipados	>= 16.0, < 16.4.1
Apple	Iphone Os	< 15.7.5
Apple	Iphone Os	>= 16.0, < 16.4.1
Apple	Macos	< 11.7.6
Apple	Macos	>= 12.0, < 12.6.5
Apple	Macos	>= 13.0, < 13.3.1

References

https://support.apple.com/en-us/HT213720Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213721Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213723Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213724Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213725Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213720Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213721Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213723Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213724Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213725Release Notes, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28206US Government Resource

Timeline

Published: Apr 10, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-28206?

How severe is CVE-2023-28206?

CVE-2023-28206 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 24.51% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2023-28206?

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-2023-28206?

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

Scan your code now

Source: NVD / NIST