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PatchSiren cyber security CVE debrief

CVE-2022-22674 Apple CVE debrief

CVE-2022-22674 is an Apple macOS out-of-bounds read vulnerability that CISA listed in its Known Exploited Vulnerabilities catalog on 2022-04-04. Because KEV inclusion indicates known exploitation, this issue should be treated as urgent and remediated with the vendor’s updates without delay. CISA’s KEV metadata set a due date of 2022-04-25 for applying the fix.

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

Who should care

Apple macOS administrators, endpoint security teams, IT operations staff, and any organization managing Macs should prioritize this CVE, especially environments that track CISA KEV items for rapid remediation.

Technical summary

The vulnerability is classified as an out-of-bounds read in macOS. That means a component may read beyond its intended memory boundary, which is a security-relevant memory-access flaw. The supplied corpus does not include affected versions, component names, or exploit mechanics, but CISA’s KEV entry confirms the issue was considered known exploited and required remediation through Apple’s updates.

Defensive priority

Urgent

Recommended defensive actions

  • Identify macOS systems in scope and confirm whether they have received the vendor update that addresses CVE-2022-22674.
  • Apply Apple-provided updates as soon as possible, following vendor instructions referenced by CISA.
  • Prioritize remediation for high-value, externally exposed, or frequently used endpoints.
  • Validate patch status after deployment and document closure for compliance and KEV tracking.
  • If compromise is suspected, follow standard incident-response procedures and review affected endpoints for signs of unauthorized activity.

Evidence notes

The debrief is based on the supplied CISA KEV metadata and official CVE/NVD reference links. The corpus explicitly identifies CVE-2022-22674 as an Apple macOS out-of-bounds read vulnerability, added to KEV on 2022-04-04 with a remediation due date of 2022-04-25. No additional affected-version or vendor-advisory details were provided, so the summary stays limited to those catalog-level facts.

Sources and references

Verified primary and authoritative sources

  • CVE-2022-22674 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2022-22674

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

  • CVE-2022-22674 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2022-22674

    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.