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CVE-2018-4242

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue...

7.8 HighPublic exploit

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Hypervisor" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.88%Up 1.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Hypervisor" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Record
CVE-2018-4242
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Hypervisor" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Record
CVE-2018-4242
Updated
2026-11-02
EUVDEUVD-2018-16028 No score

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Hypervisor" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Record
EUVD-2018-16028
Updated
2026-11-03
GitHub AdvisoriesGHSA-7qqw-j836-w48c 7.8

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue...

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Hypervisor" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Record
GHSA-7qqw-j836-w48c
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubyeonnic/Look-at-The-XNU-Through-A-Tube-CVE-2018-4242-Write-up-Translation-2018-12-08

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-4242 is a high vulnerability (CVSS 7.8) in Apple Mac Os X, published June 8, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.88%, the 86th percentile. No source names a fixed version.

References

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