CVE-2018-4427
Status: ModifiedHigh (7.8)—
A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to: iOS 12.1, watchOS 5.1.2, tvOS 12.1.1, macOS High Sierra 10.13.6 Security Update 2018-003 High Sierra, macOS Sierra 10.12.6 Security Update 2018-006.
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Base score: 7.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.06%
- Percentile among all scored CVEs: 64
- Score date: 10/8/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (4)
CWEs
- CWE-119
References
Raw JSON (NVD)
Show
{
"id": "CVE-2018-4427",
"cveTags": [],
"metrics": {
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"authentication": "NONE",
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"affected": [
{
"source": "product-security@apple.com",
"affectedData": [
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"vendor": "n/a",
"product": "watchOS, tvOS, macOS",
"versions": [
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"published": "2019-04-03T18:29:15.347",
"references": [
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"vulnStatus": "Modified",
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"description": [
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"descriptions": [
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"value": "A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to: iOS 12.1, watchOS 5.1.2, tvOS 12.1.1, macOS High Sierra 10.13.6 Security Update 2018-003 High Sierra, macOS Sierra 10.12.6 Security Update 2018-006."
},
{
"lang": "es",
"value": "Un problema de corrupción de memoria se abordó con una gestión de memoria mejorada. Este problema afectaba a iOS en versiones anteriores a la 12.1; watchOS en versiones anteriores a la 5.1.2; tvOS en versiones anteriores a la 12.1.1; macOS High Sierra en versiones anteriores a la 10.13.6 con la actualización de seguridad 2018-003 High Sierra; y macOS Sierra en versiones anteriores a la 10.12.6 con la actualización seguridad 2018-006."
}
],
"lastModified": "2026-06-17T01:58:57.950",
"configurations": [
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