CVE-2023-42916

Apple — Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability

CISA KEV · in the CISA KEV catalog since 2023-12-04

What EVULNABLE says

EVULNABLE Risk · priority 75/100 Urgent Raised to the floor for a confirmed exploited vulnerability. Intelligence coverage 75/90 — no pre-patch disclosure data
Overdue by 2.7 yearsCISA KEVActively Exploited

Why it matters: Listed in the CISA KEV catalog, and Confirmed exploitation in the wild.

Patch This Cycle

The priority band answers “how soon”, not “how bad” — see Methodology for what it weighs and where it abstains.

The evidence behind it

Published measurements for CVE-2023-42916
MeasureValueSource
CVSS base score 6.5 NVD
FIRST EPSS 0.178 (97th pctl) FIRST
Actively exploited Confirmed CISA KEV
Ransomware campaign use Unknown or none CISA KEV
CISA remediation deadline 2023-12-25 — Overdue by 2.7 years CISA KEV
Intelligence coverage 75/90 — no pre-patch disclosure data

What CISA says to do

This page is an opinion about urgency. Where it and a source of record disagree, the source of record is the record.

NVD ↗ CISA KEV ↗ Vendor Advisory ↗