CVE-2023-42824
Apple iOS and iPadOS Kernel Privilege Escalation Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 26 October 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
The issue was addressed with improved checks. This issue is fixed in iOS 16.7.1 and iPadOS 16.7.1. A local attacker may be able to elevate their privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.6.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.94% probability · 59th percentile
- CISA KEV
- Listed 5 October 2023 · due 26 October 2023
- Affected
- apple/ipados · apple/iphone os
- Source
- product-security@apple.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://support.apple.com/en-us/HT213961; https://nvd.nist.gov/vuln/detail/CVE-2023-42824
References
- https://support.apple.com/en-us/HT213972Vendor Advisory
- https://support.apple.com/en-us/HT213972Vendor Advisory
- https://support.apple.com/kb/HT213961Vendor Advisory
- https://support.apple.com/kb/HT213972Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42824US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.