CVE-2016-4655 Apple CVE debrief

Who should care

Apple iOS administrators, mobile device management teams, security operations staff, and any organization with managed or unmanaged iPhone/iPad fleets should prioritize this issue because it appears in CISA’s KEV catalog.

Technical summary

The available sources identify the issue as an Apple iOS information disclosure vulnerability. No further technical specifics are provided in the supplied corpus. The most important operational fact is that CISA has recorded it as known exploited, so remediation should follow vendor guidance without waiting for additional proof-of-concept detail.

Defensive priority

High. KEV inclusion indicates known exploitation, and the supplied metadata calls for applying updates per vendor instructions. If any affected iOS versions remain in service, remediation should be treated as urgent.

Recommended defensive actions

• Apply Apple updates per vendor instructions as soon as possible.
• Confirm which iOS versions and devices are affected in your environment.
• Use MDM or endpoint management to accelerate deployment and verify compliance.
• Prioritize internet-exposed, high-risk, and unmanaged devices first.
• Track remediation against the CISA KEV due date of 2022-06-14 when assessing historical compliance or backlog exposure.

Evidence notes

This debrief is based only on the supplied CISA KEV metadata and the official CVE/NVD resource links. The corpus identifies the vulnerability as Apple iOS information disclosure and records it as a known exploited vulnerability. No exploit mechanism, affected build range, or patch version is provided in the supplied text, so those details are intentionally omitted.

Official resources