What is the CVSS score of CVE-2016-4655?

CVE-2016-4655 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. EPSS exploitation probability: 81.7%.

Is there a public PoC exploit available for CVE-2016-4655?

Yes, a public proof-of-concept exploit is available for CVE-2016-4655. Prioritise patching immediately. EPSS: 81.7%.

Apple CVE-2016-4655

MEDIUM

2016-08-25 product-security@apple.com

Information Disclosure Apple

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Added to CISA KEV

Apr 21, 2026 - 15:31 CISA

CVE Published

Aug 25, 2016 - 21:59 cve.org

MEDIUM 5.5

DescriptionCVE.org

The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.

AnalysisAI

The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Actively exploited in the wild (cisa kev) and public exploit code available.

Technical ContextAI

The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app. Affected products include: Apple Iphone Os. Version information: before 9.3.5.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.