High severity7.8NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-1841
CVE-2021-1841
Description
A malicious application may be able to execute arbitrary code with kernel privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. An out-of-bounds write issue was addressed with improved bounds checking.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Range: < 2021-002
- Range: < 11.3
- Range: unspecified
Patches
Vulnerability mechanics
References
2- support.apple.com/en-us/HT212325nvdVendor Advisory
- support.apple.com/en-us/HT212326nvdVendor Advisory
News mentions
0No linked articles in our index yet.