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CVE-2022-32893 Apple CVE debrief

CVE-2022-32893 is an Apple iOS and macOS out-of-bounds write vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2022-08-18. Because it is marked as known exploited, defenders should treat it as a patch-now issue and follow Apple’s update guidance without delay.

Vendor
Apple
Product
iOS and macOS
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-08-18
Original CVE updated
2022-08-18
Advisory published
2022-08-18
Advisory updated
2022-08-18

Who should care

Organizations running Apple iOS or macOS devices, especially endpoint management, IT operations, security teams, and anyone responsible for timely OS patching. Any environment that depends on Apple endpoints should prioritize this CVE because CISA lists it as known exploited.

Technical summary

The available source corpus identifies the issue as an out-of-bounds write affecting Apple iOS and macOS. The corpus does not provide impacted versions, affected components, or a detailed impact statement. The key defensive signal is that CISA has classified it as a known exploited vulnerability and directs users to apply vendor updates.

Defensive priority

Critical. CISA KEV inclusion means this should be handled as an urgent remediation item, with priority above routine maintenance backlog and standard patch cycles.

Recommended defensive actions

  • Apply Apple’s security updates for iOS and macOS using the vendor’s instructions.
  • Inventory Apple devices to confirm exposure and patch status.
  • Prioritize internet-facing, high-value, and unmanaged endpoints first.
  • Verify remediation through device-management reporting or post-patch validation.
  • Monitor CISA KEV and Apple security advisories for any follow-up guidance.

Evidence notes

This debrief uses only the supplied corpus and official references. The title and CISA KEV metadata establish the vulnerability class (out-of-bounds write), affected product families (iOS and macOS), and known-exploited status. Timeline fields supplied in the prompt place CISA KEV addition on 2022-08-18 with a due date of 2022-09-08. No CVSS score, affected-version range, or deeper technical details were provided in the source corpus.

Official resources

Publicly disclosed; CISA added CVE-2022-32893 to the Known Exploited Vulnerabilities catalog on 2022-08-18.