CVE-2021-1864
Status: ModifiedCritical (9.8)—
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. An attacker with JavaScript execution may be able to execute arbitrary code.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Base score: 9.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 2.15%
- Percentile among all scored CVEs: 82
- 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-416
References
Raw JSON (NVD)
Show
{
"id": "CVE-2021-1864",
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},
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"value": "Se abordó un problema de uso de memoria previamente liberada con una administración de memoria mejorada. Este problema se corrigió en iOS versión 14.5 e iPadOS versión 14.5, watchOS versión 7.4, tvOS versión 14.5. Un atacante con ejecución de JavaScript puede ser capaz de ejecutar código arbitrario"
}
],
"lastModified": "2026-06-17T03:32:41.243",
"configurations": [
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