CVE-2022-48618
Published: January 31, 2024
Official Description
Apple iOS, iPadOS, macOS, tvOS, and watchOS contain a time-of-check/time-of-use (TOCTOU) memory corruption vulnerability that allows an attacker with read and write capabilities to bypass Pointer Authentication.
CISA KEV Advisory
Apple Multiple Products Memory Corruption Vulnerability
Apple iOS, iPadOS, macOS, tvOS, and watchOS contain a time-of-check/time-of-use (TOCTOU) memory corruption vulnerability that allows an attacker with read and write capabilities to bypass Pointer Authentication.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Risk Analysis
This time-of-check/time-of-use (TOCTOU) memory corruption vulnerability in Apple iOS, iPadOS, macOS, tvOS, and watchOS allows an attacker with read and write capabilities to bypass Pointer Authentication. It is a high-severity flaw with confirmed exploitation in the wild, making it a critical concern.
This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog, confirming its real-world impact.
Apple users should apply all available security updates for iOS, iPadOS, macOS, tvOS, and watchOS without delay. Ensure all devices are running the latest patched versions.
Technical Analysis
CVE-2022-48618 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-2022-48618 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.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-48618 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