#VU48173 Out-of-bounds read

Published: 2020-11-06 | Updated: 2020-12-02

Vulnerability identifier: #VU48173

Vulnerability risk: Low

CVSSv3: 6.2 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-27950


Exploitation vector: Local

Exploit availability: Yes
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Vulnerable software: macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.


The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within macOS kernel. A local user can run a specially crafted program to gain access to sensitive kernel information on the system.

Note, this vulnerability is being actively exploited in the wild.

Install updates from vendor's website.

Vulnerable software versions

macOS: 10.15, 10.15 SU1, 10.15.1, 10.15.2, 10.15.3, 10.15.4, 10.15.4 SU1, 10.15.5, 10.15.5 SU1, 10.15.6, 10.15.6 SU1, 10.15.7


External links

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

Latest bulletins with this vulnerability