Vulnerability · CVE-2016-4655
Apple iOS Information Disclosure Vulnerability
Published Aug 15, 2016 · catalog updated Jun 16, 2026 · Apple iOS
Patch now
CVE-2016-4655 is in the CISA known-exploited catalog, due Jun 14, 2022. Confirm Apple iOS against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- Medium5.5
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 33.35%
- Remediation
- Remediation guidance
- Affected products
- cpe apple/iphone os · vendor Apple iOS
The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe apple/iphone osversion unspecified
- cpe apple/iphone os10.0
- vendor Apple iOSversion unspecified
How to fix CVE-2016-4655
Recommended remediation
Apply updates per vendor instructions. CISA due date Jun 14, 2022.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2016-4655 is in the CISA known-exploited catalog, due Jun 14, 2022. Confirm Apple iOS against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with apple/iphone os 10.0. Apply updates per vendor instructions.
What should an analyst verify?
CWE-200: Exposure of Sensitive Information. EPSS 33.35%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 25, 2016 · Catalog
Detected
The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.
May 24, 2022 · CISA KEV
Known exploited
Apply updates per vendor instructions.
Jun 14, 2022 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Jun 16, 2026 · Catalog
Updated
The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.
Sources
- CISA KEVConfirmed exploitationCVE-2016-4655
The Apple iOS kernel allows attackers to obtain sensitive information from memory via a crafted application.
cisa.gov - CVE.orgVulnerability recordCVE-2016-4655
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2016-4655
30-day exploitation probability 33.4%
first.org - Exploit DatabasePublic exploit reference44836
Public archive entry. The exploit body is not stored here.
exploit-db.com - Metasploit ModulesPublic exploit moduleexploit_apple_ios/browser/webkit_trident
Public module reference (manual). Module source is not copied into this catalog.
rapid7.com - NIST NVDVulnerability recordCVE-2016-4655
The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.
nvd.nist.gov - VulnCheck KEVConfirmed exploitationCVE-2016-4655
The Apple iOS kernel allows attackers to obtain sensitive information from memory via a crafted application.
vulncheck.com
References
- Broken Link · lists.apple.com
- Broken Link · lists.apple.com
- VulnCheck exploitation evidence · citizenlab.ca
- VulnCheck exploitation evidence · cybersecurityworks.com
- VulnCheck exploitation evidence · docs.google.com
- VulnCheck exploitation evidence · info.securin.io
- CISA note · nvd.nist.gov
- VulnCheck exploitation evidence · storage.googleapis.com
- Vendor Advisory · support.apple.com
- Vendor Advisory · support.apple.com
- VulnCheck exploitation evidence · cisa.gov
Freshness
Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.