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PatchSiren cyber security CVE debrief

CVE-2019-8506 Apple CVE debrief

CVE-2019-8506 is an Apple type confusion vulnerability tracked by CISA in the Known Exploited Vulnerabilities catalog. Because CISA lists it as a KEV item, defenders should treat it as a known-exploited issue and prioritize vendor updates across affected Apple products. The supplied record does not include affected versions or CVSS details, so remediation guidance should come from Apple’s official advisories and update channels.

Vendor
Apple
Product
Multiple Products
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-05-04
Original CVE updated
2022-05-04
Advisory published
2022-05-04
Advisory updated
2022-05-04

Who should care

Apple device owners, enterprise Mac/iPhone/iPad fleet managers, security operations teams, and IT administrators responsible for patch compliance and endpoint hardening.

Technical summary

The official record identifies CVE-2019-8506 as a type confusion vulnerability affecting multiple Apple products. CISA added it to the Known Exploited Vulnerabilities catalog on 2022-05-04 with a remediation due date of 2022-05-25, indicating the vulnerability was considered actively exploited and required timely patching. No additional affected-version or severity details are included in the supplied corpus.

Defensive priority

High. CISA KEV inclusion means organizations should prioritize remediation and verification over routine patch queues.

Recommended defensive actions

  • Apply Apple updates per vendor instructions for all affected products.
  • Inventory Apple endpoints and identify systems that may be vulnerable based on installed OS and software versions.
  • Use MDM, endpoint management, or patch compliance reporting to confirm remediation at scale.
  • Track the CISA KEV entry and the official CVE/NVD records for any linked vendor guidance or updates.
  • Validate that the required update is deployed across user devices, shared systems, and any managed test or staging fleets.

Evidence notes

This debrief is based only on the supplied CISA KEV source item and official resource links. The source item states: vendorProject=Apple, product=Multiple Products, vulnerabilityName=Apple Multiple Products Type Confusion Vulnerability, dateAdded=2022-05-04, dueDate=2022-05-25, requiredAction=Apply updates per vendor instructions, and notes link to the NVD record for CVE-2019-8506. No version ranges, exploit details, or CVSS score were provided in the corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2019-8506 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2019-8506

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

  • CVE-2019-8506 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2019-8506

    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.