High severity7.8NVD Advisory· Published Apr 2, 2021· Updated Jun 17, 2026
CVE-2020-27897
CVE-2020-27897
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. 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
17unspecified+ 2 more
- (no CPE)range: unspecified
- (no CPE)range: Big Sur 11.0.1, Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.1
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*+ 13 more
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*range: >=10.14,<10.14.6
- cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- support.apple.com/en-us/HT211931nvdVendor Advisory
- support.apple.com/en-us/HT212011nvdVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-21-486/nvdThird Party AdvisoryVDB Entry
News mentions
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