Unrated severityCISA KEVNVD Advisory· Published Apr 2, 2021· Updated Oct 21, 2025

CVE-2021-1782

Description

A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./tvOSllm-fuzzy
Range: 14.4
Apple Inc./macOSllm-fuzzy2 versions
>=10.14.6 <=11.2+ 1 more
- (no CPE)range: >=10.14.6 <=11.2
- (no CPE)range: unspecified
Apple Inc./Ipadosllm-fuzzy
Range: 14.4
Apple Inc./watchOSllm-fuzzy
Range: 7.3
Apple Inc./iOSllm-fuzzy
Range: 14.4
Apple Inc./iOS and iPadOScpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/en-us/HT212146mitrex_refsource_MISC
support.apple.com/en-us/HT212147mitrex_refsource_MISC
support.apple.com/en-us/HT212148mitrex_refsource_MISC
support.apple.com/en-us/HT212149mitrex_refsource_MISC

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.002
exploit	0.000
kev	0.120
patch	0.000
ransomware	0.000