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CVE-2023-42824

Apple iOS and iPadOS Kernel Privilege Escalation

7.8 HIGHActively exploited (CISA KEV)EPSS 1.09%
  1. Published4 Oct 2023
  2. Added to CISA KEV5 Oct 2023
  3. Remediation due26 Oct 2023
Actively exploited (CISA KEV)

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

Added to KEV: 5 Oct 2023Federal remediation due: 26 Oct 2023

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 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Apple iPadOS≥ 17.0 < 17.0.3 · < 16.7.1
Apple iPhone OS≥ 17.0 < 17.0.3 · < 16.7.1

Remediation

Fixed in
Apple iPadOS≥ 17.0.3
Apple iPhone OS≥ 17.0.3

References

Frequently asked

Is CVE-2023-42824 being actively exploited?

Yes. CVE-2023-42824 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 5 Oct 2023.

How severe is CVE-2023-42824?

CVE-2023-42824 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 1.09% probability of exploitation.

Which products are affected by CVE-2023-42824?

Affected products include Apple iPadOS, Apple iPhone OS.

How do I fix CVE-2023-42824?

Upgrade affected software to a fixed version, for example Apple iPadOS 17.0.3, Apple iPhone OS 17.0.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-42824 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.