High severity7.8NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-30739
CVE-2021-30739
Description
A local attacker may be able to elevate their privileges. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A memory corruption issue was addressed with improved validation.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: < 11.4
- Range: unspecified
Patches
Vulnerability mechanics
References
3- support.apple.com/en-us/HT212529nvdVendor Advisory
- support.apple.com/en-us/HT212530nvdVendor Advisory
- support.apple.com/en-us/HT212531nvdVendor Advisory
News mentions
0No linked articles in our index yet.