What’s Vulnerable › Vulnerabilities

CVE-2016-1800

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-05-20 · updated 2026-06-17
• Weakness: CWE-20

Description

Captive Network Assistant in Apple OS X before 10.11.5 mishandles a custom URL scheme, which allows user-assisted remote attackers to execute arbitrary code via unspecified vectors.

Affected products

• macOS: through 10.11.4

References

• http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
• http://www.securityfocus.com/bid/90696
• http://www.securitytracker.com/id/1035895
• https://support.apple.com/HT206567
• http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
• http://www.securityfocus.com/bid/90696
• http://www.securitytracker.com/id/1035895
• https://support.apple.com/HT206567

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