CVE-2020-9864
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10...
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.6. An application may be able to execute arbitrary code with kernel privileges.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.6. An application may be able to execute arbitrary code with kernel privileges.
- Record
CVE-2020-9864- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.6. An application may be able to execute arbitrary code with kernel privileges.
- Record
CVE-2020-9864- Updated
- 2026-11-02
EUVDEUVD-2020-30643 No score
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.6. An application may be able to execute arbitrary code with kernel privileges.
- Record
EUVD-2020-30643- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5pxf-xh52-chw3 No score
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10...
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.6. An application may be able to execute arbitrary code with kernel privileges.
- Record
GHSA-5pxf-xh52-chw3- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-9864 is a critical vulnerability (CVSS 9.8) in Apple Macos, published October 16, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.43%, the 84th percentile. No source names a fixed version.