What is CVE-2023-28206?
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.
The record classifies CVE-2023-28206 under weakness class CWE-787. Its CVSS v3 base vector states that the flaw requires local access to the host, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 3 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 1301 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 8.6 — HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - EPSS (FIRST)
- 23.2% probability of exploitation in the next 30 days, higher than 97.7% of all scored CVEs
- CISA KEV
- Listed since 2023-04-10, federal remediation deadline 2023-05-01
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2023-04-10, last modified 2025-10-21
Is CVE-2023-28206 being exploited?
CISA added CVE-2023-28206 to the Known Exploited Vulnerabilities catalog on 2023-04-10, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2023-05-01 under BOD 22-01. Weaponised exploit code for CVE-2023-28206 is publicly available. 2 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 47 in the Threadlinqs vulnerability feed.
- acceleratortroll/acceleratortroll (github)
- trickest/cve (trickest)
Affected products and versions
- Apple: Ipados, Iphone Os, Macos
How to fix CVE-2023-28206
The record marks a vendor fix as available for CVE-2023-28206. Patch reference: https://support.apple.com/en-us/HT213720. Vendor advisory: https://support.apple.com/en-us/HT213720. Because CVE-2023-28206 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2023-05-01. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2023-28206
1 tracked threat in the Threadlinqs corpus references CVE-2023-28206, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, FIRST EPSS, CISA KEV, public proof-of-concept repositories. Last verified by Threadlinqs on .