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CVE-2023-42824

HIGH
7.8
CVSS Score
Published: October 4, 2023 at 06:02 PM UTC
Updated: June 17, 2026 at 06:24 AM UTC
2 products affected across 1 vendoriPhone OSiPadOS

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Severity
HIGH7.8
Exploitation
CISA KEV
Exploit prediction
EPSS 1.0%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score1.0%

EPSS (Exploit Prediction Scoring System) estimates a 1.0% chance this CVE is exploited in the wild within the next 30 days — higher than 62% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Apple iOS and iPadOS contain an unspecified vulnerability that allows for local privilege escalation.

Required Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Ransomware Use
Unknown
Added to KEV
Oct 5, 2023
Remediation Due
Oct 26, 2023
1100 days overdue
Notes
https://support.apple.com/en-us/HT213961
https://nvd.nist.gov/vuln/detail/CVE-2023-42824

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.

Affected

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

iPadOS· Apple
95%
v < 16.7v < 16.7.117.0 ≤ v < 17.0.3
Affected range stops below 16.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.7.1, so it looks safe — our inference, not a vendor statement
iPhone OS· Apple
95%
v < 16.7.117.0 ≤ v < 17.0.3
Affected range stops below 16.7.1, 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 (4)

Vendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT213972
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.apple.com/kb/HT213961
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.apple.com/kb/HT213972
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42824

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

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

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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