What’s Vulnerable › Vulnerabilities

CVE-2026-50216

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-14 · updated 2026-10-16
• Weakness: CWE-191

Description

An integer underflow exists in the DNS proxy component of the macOS NetworkExtension system extension shipped with Akamai Guardicore Platform Agent (GPA) for macOS, whereby if a UDP datagram shorter than 96 bytes that begins with a specific value is received, a subsequent size computation underflows to a near-SIZE_MAX value, causing an allocation failure and uncaught Objective-C exception that aborts the root system extension.

Affected products

• Akamai Guardicore Platform Agent: before 7.4 — fixed in 7.4

How to fix

Upgrade to a fixed version: Akamai Guardicore Platform Agent 7.4. Check the vendor advisory for mitigations.

References

• https://techdocs.akamai.com/guardicore-platform-agent/changelog/
• https://www.akamai.com/newsroom/security-advisories/guardicore-platform-agent-7-4

Get alerted when CVE-2026-50216 or the next vulnerability affects your stack