CVE-2018-8373
Out-of-bounds Write — is CVE-2018-8373real, exploitable, or a false positive? Here's the community ground truth.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8353, CVE-2018-8355, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.
References
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Field notes & remediation
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- 0
Microsoft Scripting Engine Memory Corruption Vulnerability — A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer. Listed in the CISA KEV catalog (added 2022-03-25) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~62%. Treat it as real and prioritize remediation over triage.
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Required action for Microsoft Internet Explorer Scripting Engine: Apply updates per vendor instructions. CISA set a federal remediation due date of 2022-04-15. After patching, verify the vulnerable path is no longer reachable before closing the finding.
Related CVEs
Same weakness — CWE-787 · Out-of-bounds Write.
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