Is CVE-2023-28204 actively exploited?

Yes. CVE-2023-28204 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2023-28204 be exploited remotely?

The attack vector of CVE-2023-28204 has not been classified yet.

What is the CVSS score of CVE-2023-28204?

CVE-2023-28204 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2023-28204

HIGHCISA KEVIN THE WILD

CVE-2023-28204

Published: May 22, 2023

EPSS:0.05%probability of exploitation in 30 daysPercentile:14.9th

Official Description

Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit contain an out-of-bounds read vulnerability that may disclose sensitive information 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.

NVD Source

CISA KEV Advisory

Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability

Added to KEV: 2023-05-22Federal patch deadline: 2023-06-12

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

An out-of-bounds read vulnerability in Apple WebKit, affecting iOS, iPadOS, macOS, tvOS, watchOS, and Safari, could lead to the disclosure of sensitive information when processing malicious web content. Its inclusion in CISA's KEV catalog confirms active exploitation, highlighting the immediate need for remediation. The low EPSS score does not reflect the critical nature of confirmed exploitation.

This vulnerability is actively being exploited in the wild and is listed in CISA's KEV catalog. It is remotely exploitable by processing maliciously crafted web content.

Recommended Action

Install the latest security updates for all affected Apple operating systems and Safari. Ensure all WebKit-dependent applications are updated to their most secure versions.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-28204 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2023-28204 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.