CVE-2018-0991

Status: ModifiedHigh (7.5)—
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This affects Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-0870, CVE-2018-0997, CVE-2018-1018, CVE-2018-1020.
CVSS

Version: 3.0
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Base score: 7.5
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 15%
Percentile among all scored CVEs: 97
Score date: 10/7/2026
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 (1)

Microsoft — Internet Explorer
CWEs

CWE-787
References

Raw JSON (NVD)

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      "value": "A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka \"Internet Explorer Memory Corruption Vulnerability.\" This affects Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-0870, CVE-2018-0997, CVE-2018-1018, CVE-2018-1020."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de ejecución remota de código cuando Internet Explorer accede incorrectamente a los objetos en la memoria. Esto también se conoce como \"Internet Explorer Memory Corruption Vulnerability\". Esto afecta a Internet Explorer 11 e Internet Explorer 10. El ID de este CVE es diferente de CVE-2018-0870, CVE-2018-0997, CVE-2018-1018 y CVE-2018-1020."
    }
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  "lastModified": "2026-06-17T01:32:09.727",
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