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Vulnerabilities

Vulnerability · CVE-2023-42824

Apple iOS and iPadOS Kernel Privilege Escalation Vulnerability

Published Oct 4, 2023 · catalog updated Jun 16, 2026 · Apple iOS and iPadOS

Patch now

CVE-2023-42824 is in the CISA known-exploited catalog, due Oct 26, 2023. Confirm Apple iOS and iPadOS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High7.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
1.18%
Remediation
Remediation guidance
Affected products
cpe apple/ipados · cpe apple/iphone os · vendor Apple iOS and iPadOS

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apple/ipadosversion unspecified
  • cpe apple/iphone osversion unspecified
  • vendor Apple iOS and iPadOSversion unspecified

How to fix CVE-2023-42824

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-42824 is in the CISA known-exploited catalog, due Oct 26, 2023. Confirm Apple iOS and iPadOS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 1.18%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 4, 2023 · Catalog

    Detected

    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.

  2. Oct 5, 2023 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. Oct 26, 2023 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2023-42824

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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2023-42824

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-42824

    30-day exploitation probability 1.2%

    first.org
  • NIST NVDVulnerability recordCVE-2023-42824

    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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2023-42824

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

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.