What’s Vulnerable › Vulnerabilities

CVE-2016-1823

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-05-20 · updated 2026-06-17
• Weakness: CWE-125

Description

The IOHIDDevice::handleReportWithTime function in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (out-of-bounds read and memory corruption) via a crafted IOHIDReportType enum, which triggers an incorrect cast, a different vulnerability than CVE-2016-1824.

Affected products

• Apple Iphone Os: before 9.3.2 — fixed in 9.3.2
• macOS: before 10.11.5 — fixed in 10.11.5
• Apple tvOS: before 9.2.1 — fixed in 9.2.1
• Apple watchOS: before 2.2.1 — fixed in 2.2.1

How to fix

Upgrade to a fixed version: Apple Iphone Os 9.3.2; macOS 10.11.5; Apple tvOS 9.2.1; Apple watchOS 2.2.1. Check the vendor advisory for mitigations.

References

• http://lists.apple.com/archives/security-announce/2016/May/msg00001.html
• http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
• http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
• http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
• http://packetstormsecurity.com/files/137397/OS-X-Kernel-Raw-Cast-Out-Of-Bounds-Read.html
• http://www.securityfocus.com/bid/90698
• http://www.securitytracker.com/id/1035890
• https://bugs.chromium.org/p/project-zero/issues/detail?id=774
• https://support.apple.com/HT206564
• https://support.apple.com/HT206566
• https://support.apple.com/HT206567
• https://support.apple.com/HT206568

Get alerted when CVE-2016-1823 or the next vulnerability affects your stack