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PatchSiren cyber security CVE debrief

CVE-2023-28206 Apple CVE debrief

CVE-2023-28206 is an Apple IOSurfaceAccelerator out-of-bounds write affecting iOS, iPadOS, and macOS. CISA added it to the Known Exploited Vulnerabilities catalog on 2023-04-10, which means defenders should treat it as actively exploited and prioritize vendor updates.

Vendor
Apple
Product
iOS, iPadOS, and macOS
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2023-04-10
Original CVE updated
2023-04-10
Advisory published
2023-04-10
Advisory updated
2023-04-10

Who should care

Apple device administrators, mobile endpoint teams, macOS fleet owners, and security operations teams responsible for iOS, iPadOS, or macOS patching.

Technical summary

The supplied sources identify CVE-2023-28206 as an out-of-bounds write in IOSurfaceAccelerator. CISA’s KEV entry classifies it as known exploited and directs organizations to apply updates per vendor instructions.

Defensive priority

High

Recommended defensive actions

  • Apply Apple security updates for affected iOS, iPadOS, and macOS versions as soon as possible.
  • Prioritize remediation for internet-facing, high-value, and unmanaged Apple devices first.
  • Confirm device inventory and patch status across all Apple fleets, including mobile and workstation endpoints.
  • Use the vendor instructions referenced by CISA to validate that the correct Apple fix has been deployed.
  • Track remediation against the KEV due date and escalate any systems that cannot be updated quickly.

Evidence notes

The source corpus includes CISA KEV metadata for CVE-2023-28206, with a dateAdded of 2023-04-10 and dueDate of 2023-05-01. CISA’s notes reference Apple support pages HT213720 and HT213721 as vendor instructions, and the corpus also provides the official CVE.org and NVD record links.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-28206 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-28206

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

  • CVE-2023-28206 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-28206

    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.