CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.

Remediation Deadline: Dec 25, 2023

CVE-2023-42917

High

EPSS 0.1%CISA KEV

Apple/Multiple Products

Description

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.

EPSS — Exploit Probability

0.1%

Higher than 20.7% of all CVEs

Required Action

https://support.apple.com/en-us/HT214031, https://support.apple.com/en-us/HT214032, https://support.apple.com/en-us/HT214033 ; https://nvd.nist.gov/vuln/detail/CVE-2023-42917

Risk Assessment

ELEVATED

In CISA KEV

Details

Severity: High
EPSS: 0.1%
CISA KEV: Yes
Ransomware: Unknown
Articles: 0

Timeline

Published

Dec 4, 2023

Added to KEV

Dec 4, 2023

Remediation Due

Dec 25, 2023

Affected Product

Apple

Multiple Products

View all Apple CVEs

External Links

NVD (NIST)CVE Details MITRE CVE