CVE-2020-27932
Published: November 3, 2021
Official Description
Apple iOS, iPadOS, macOS, and watchOS contain a type confusion vulnerability that may allow a malicious application to execute code with kernel privileges.
CISA KEV Advisory
Apple Multiple Products Type Confusion Vulnerability
Apple iOS, iPadOS, macOS, and watchOS contain a type confusion vulnerability that may allow a malicious application to execute code with kernel privileges.
Apply updates per vendor instructions.
Risk Analysis
This type confusion vulnerability in Apple iOS, iPadOS, macOS, and watchOS could allow a malicious application to execute code with kernel privileges. This is a severe flaw that could lead to full system compromise. The high severity and confirmed exploitation in the wild make this an urgent concern.
This vulnerability has been actively exploited in the wild and is listed in CISA's KEV catalog, indicating a high likelihood of successful attacks. This confirms that threat actors are leveraging this flaw.
Update Apple iOS, iPadOS, macOS, and watchOS to the latest available versions to patch this type confusion vulnerability. Ensure all applications are from trusted sources.
Technical Analysis
CVE-2020-27932 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-2020-27932 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 (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-27932 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