CVE-2018-4344VulnerabilityPublished 06/27/2022Updated 10/24/2026

CVE-2018-4344: Apple Multiple Products Memory Corruption Vulnerability

Affects Apple Multiple ProductsSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 06/27/2022
KEV deadline: 07/18/2022
EPSS: 2.4% chance of exploitation in 30 days – higher than 83% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2018-4344 (opens in a new tab)

Description

CVE-2018-4344 is a memory corruption vulnerability affecting multiple Apple products including iOS, macOS, tvOS, and watchOS. This flaw can enable an attacker to execute arbitrary code on the affected devices. The vulnerability has been exploited in the wild, indicating active use by threat actors. No specific affected versions or patch information is provided in the available data.

Summary

Apple's multiple operating systems—iOS, macOS, tvOS, and watchOS—contain a memory corruption vulnerability identified as CVE-2018-4344. This vulnerability is classified under CWE-119, which relates to improper restriction of operations within the bounds of a memory buffer. Exploitation of this flaw can lead to arbitrary code execution, compromising device security. The vulnerability has been observed to be exploited in the wild, underscoring its practical risk. However, no detailed vendor advisory or patch information is included in the provided data.

Impact

Successful exploitation of this memory corruption vulnerability can allow attackers to execute arbitrary code on affected Apple devices, potentially leading to full system compromise. The fact that it has been exploited in the wild confirms active threat scenarios targeting these platforms.

Mitigation

Patch status is not yet confirmed — check the official Apple security advisories for current remediation guidance. Until a patch is applied, users should follow Apple's security recommendations and update devices promptly once fixes are available.

Weaknesses

CWE-119Buffer Errors (Memory Bounds) (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 12:05:09 UTC

Weaknesses

References

Related threats