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PatchSiren cyber security CVE debrief

CVE-2016-7597 Apple CVE debrief

CVE-2016-7597 is a medium-severity Apple iOS issue affecting SpringBoard. The supplied CVE description says physically proximate attackers could maintain the unlocked state through Handoff and Siri-related vectors on iOS before 10.2. NVD’s affected CPE entry lists iPhone OS through 10.1.1, so defenders should treat this as a pre-10.2 lock-state issue and verify fleet versions against the vendor advisory.

Vendor
Apple
Product
Unknown
CVSS
MEDIUM 4.6
CISA KEV
Not listed in stored evidence
Original CVE published
2017-02-20
Original CVE updated
2026-05-13
Advisory published
2017-02-20
Advisory updated
2026-05-13

Who should care

Mobile device administrators, Apple iOS fleet owners, and organizations that rely on iPhones or iPads for access to corporate data—especially where devices may be physically accessible to untrusted people.

Technical summary

The issue is in SpringBoard, Apple’s iOS UI and lock-screen component. The reported impact is integrity-related: a nearby attacker with physical access could preserve the unlocked state using Handoff/Siri-related behavior, weakening the device lock state. The supplied corpus does not describe remote exploitation, code execution, or data theft.

Defensive priority

Medium for fleets with any pre-10.2 iOS devices or devices used in shared, public, or physically exposed settings; lower once all devices are confirmed patched and physical-access controls are strong.

Recommended defensive actions

  • Update affected Apple devices to the vendor-fixed iOS release referenced by Apple; the CVE description indicates the affected boundary is iOS before 10.2.
  • Inventory iPhones and iPads to confirm no devices remain on iOS 10.1.1 or earlier.
  • Review physical-access controls for devices used in public, field, or shared environments.
  • Where policy allows, tighten lock-screen, Siri, and Handoff exposure until patching is complete.
  • Validate remediation using the Apple support advisory and the NVD record.

Evidence notes

Evidence is drawn only from the supplied CVE record, NVD detail, and Apple support advisory reference. The CVE description says iOS before 10.2 is affected, while NVD’s vulnerable CPE range lists iPhone OS through 10.1.1; that version-range mismatch is noted for validation. No exploit code or reproduction steps are included.

Sources and references

Verified primary and authoritative sources

  • CVE-2016-7597 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2016-7597

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

  • CVE-2016-7597 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2016-7597

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

Supplemental references

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.