CVE-2023-28206An out-of-bounds write issue was addressed with improved input validation.
Updated under an hour ago ()
Does this affect you?
It affects Apple iOS and iPadOS and 3 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Apr 10, 2023; federal agencies had to remediate by May 1, 2023. Treat that date as your deadline.
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Free account, 1 product
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.
- CVSS
- 8.6 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-787
- Known exploited
- Added to CISA KEV Apr 10, 2023; federal remediation due May 1, 2023Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 23.21% (percentile 98)
- Assigned by
- apple
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apple iOS and iPadOS apple:ios_and_ipados (from the name) | from unspecified before 15.7 | CNA record |
Apple macOS apple:macos (from the name) | from unspecified before 11.7 | CNA record |
apple ipados apple:ipados | before 15.7.5; from 16.0 before 16.4.1 | NVD |
apple iphone_os apple:iphone_os | before 15.7.5; from 16.0 before 16.4.1 | NVD |
apple macos apple:macos | before 11.7.6; from 12.0 before 12.6.5; from 13.0 before 13.3.1 | NVD |
References
- https://support.apple.com/en-us/HT213723release-notes, vendor-advisory
- https://support.apple.com/en-us/HT213725release-notes, vendor-advisory
- https://support.apple.com/en-us/HT213724release-notes, vendor-advisory
- https://support.apple.com/en-us/HT213721release-notes, vendor-advisory
- https://support.apple.com/en-us/HT213720release-notes, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28206us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.