Actively exploited · Published Apr 10, 2023 · Assigned by apple

CVE-2023-28206

High 8.6 Exploited

In plain English

A high-severity out-of-bounds write in iOS and iPadOS from Apple. Attackers are actively exploiting it in the wild (listed by CISA on April 10, 2023). The chance it is exploited in the next 30 days is estimated at 23.2% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.1)8.6High
Exploit odds (30 days)23.2%top 2.2% of all CVEs
Exploited in the wildYesCISA KEV since Apr 10, 2023
Attack tooling1Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by May 1, 2023.

Official 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 products (as reported)

VendorProductVersions
Apple iOS and iPadOS unspecified – before 15.7
Apple macOS unspecified – before 11.7
Apple macOS unspecified – before 12.6
Apple macOS unspecified – before 13.3
Apple iOS and iPadOS unspecified – before 16.4

Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References