CVE-2022-42852
Published: April 11, 2026
Official Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.2 and iPadOS 16.2, watchOS 9.2. Processing maliciously crafted web content may result in the disclosure of process memory.
Risk Analysis
A memory handling issue in Safari, tvOS, macOS, iOS, and watchOS could lead to the disclosure of process memory when processing maliciously crafted web content. This information disclosure could expose sensitive data. The confirmed exploitation in the wild makes this a critical vulnerability.
This vulnerability is actively being exploited in the wild and is listed in CISA's KEV catalog, indicating confirmed real-world attacks.
Update Safari to 16.2, tvOS to 16.2, macOS Ventura to 13.1, iOS to 15.7.2 or iPadOS to 15.7.2, iOS to 16.2 or iPadOS to 16.2, and watchOS to 9.2 to improve memory handling.
Technical Analysis
CVE-2022-42852 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-2022-42852 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.
Exploit & PoC Resources
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-42852 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1