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CVE-2023-42917: Apple Multiple Products WebKit Memory Corruption Vulnerability
Apple Multiple Products · in CISA KEV since 2023-12-04
2023-12-04added to KEV
2023-12-25federal remediation due date
9.29%EPSS exploit probability (30 days) 95.1th percentile
8.8 HIGHCVSS 3.1
Unknownknown ransomware use
4days from NVD publication to KEV
What it is
Apple iOS, iPadOS, macOS, and Safari WebKit contain a memory corruption vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
Required action (CISA)
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
| CWE | CWE-787 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2023-11-30 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2023-42917.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.