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CVE-2026-50216

MEDIUM
5.3
CVSS Score
Published: October 14, 2026 at 12:00 AM UTC
Updated: October 16, 2026 at 07:55 PM UTC
1 product affected across 1 vendorGuardicore Platform Agent

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMmitre
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-191

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