CVE-2023-28206

HIGH

8.6

CVSS Score

Published: April 10, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 05:47 AM UTC

3 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity

HIGH8.6

Exploitation

CISA KEV

Exploit prediction

EPSS 23%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score23.2%

EPSS (Exploit Prediction Scoring System) estimates a 23.2% chance this CVE is exploited in the wild within the next 30 days — higher than 98% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Apple iOS, iPadOS, and macOS IOSurfaceAccelerator contain an out-of-bounds write vulnerability that allows an app to execute code with kernel privileges.

Required Action

Apply updates per vendor instructions.

Ransomware Use

Unknown

Added to KEV

Apr 10, 2023

Remediation Due

May 1, 2023

1277 days overdue

Notes

https://support.apple.com/en-us/HT213720, https://support.apple.com/en-us/HT213721

https://nvd.nist.gov/vuln/detail/CVE-2023-28206

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iPadOS · Apple

95%

v < 15.7v < 15.7.5v < 16.416.0 ≤ v < 16.4.1

Affected range stops below 15.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.7.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.4.1, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 15.7.516.0 ≤ v < 16.4.1

Affected range stops below 15.7.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.4.1, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 11.7v < 11.7.6v < 12.6v < 13.312.0 ≤ v < 12.6.513.0 ≤ v < 13.3.1

Affected range stops below 11.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 11.7.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.6.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.3.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213720

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213721

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213723

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213724

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213725

US Government Resource

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28206

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHCISA-ADP

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-787

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