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PatchSiren cyber security CVE debrief

CVE-2023-42824 Apple CVE debrief

CVE-2023-42824 is a CISA Known Exploited Vulnerability affecting Apple iOS and iPadOS. The public corpus identifies it as a kernel privilege escalation issue and places it in CISA’s KEV catalog on 2023-10-05, with a mitigation deadline of 2023-10-26. Treat this as a high-priority mobile endpoint risk, especially for fleets that rely on Apple devices for business access.

Vendor
Apple
Product
iOS and iPadOS
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2023-10-05
Original CVE updated
2023-10-05
Advisory published
2023-10-05
Advisory updated
2023-10-05

Who should care

Apple device administrators, mobile security teams, MDM/UEM operators, endpoint defenders, and organizations that allow iPhone or iPad access to corporate data or services should pay attention. End users should also follow vendor guidance promptly if their devices are managed outside of a central IT process.

Technical summary

The supplied sources identify the flaw as a kernel privilege escalation vulnerability in Apple iOS and iPadOS. Because the record is a CISA KEV entry, it should be treated as a vulnerability with known exploitation risk. The corpus does not provide additional technical detail such as the attack vector, affected versions, or exploit chain specifics, so validation should rely on Apple’s official remediation guidance and the linked vulnerability records.

Defensive priority

High. CISA has listed this CVE in the Known Exploited Vulnerabilities catalog, which indicates active abuse or confirmed exploitation risk. For organizations with Apple mobile devices, this warrants expedited patching or mitigation before the KEV due date.

Recommended defensive actions

  • Prioritize applying Apple security updates or vendor-recommended mitigations to affected iOS and iPadOS devices.
  • Use MDM/UEM reporting to identify devices that may still be on vulnerable versions and accelerate compliance.
  • Restrict or monitor high-risk device access to sensitive services until remediation is complete.
  • Track CISA KEV deadlines and treat the 2023-10-26 due date as an urgent remediation target for any still-exposed devices.
  • If mitigation is not available for a specific deployment, follow the CISA guidance to discontinue use of the product until it can be remediated.

Evidence notes

This debrief is based on the supplied CISA KEV source item and the official CVE/NVD records referenced in the corpus. The corpus states the vulnerability name, vendor, product, KEV dateAdded (2023-10-05), dueDate (2023-10-26), and that the issue affects Apple iOS and iPadOS. No CVSS score or exploit mechanics were supplied in the provided material.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-42824 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-42824

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2023-42824 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-42824

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.