High severity7.0NVD Advisory· Published Apr 2, 2021· Updated Jun 17, 2026
CVE-2021-1806
CVE-2021-1806
Description
A race condition was addressed with additional validation. This issue is fixed in macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, macOS Mojave 10.14.6 Security Update 2021-002. An application may be able to execute arbitrary code with kernel privileges.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- Range: 10.15.7 Supplemental Update
- Range: 11.2.1
(expand)+ 1 more
- (no CPE)
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
3- seclists.org/fulldisclosure/2021/Apr/54nvdMailing ListThird Party Advisory
- support.apple.com/en-us/HT212177nvdVendor Advisory
- support.apple.com/kb/HT212327nvdVendor Advisory
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