CVE-2018-8631
highpriority · attend · 64EPSS 0.685 · 99 %ileexploit · functionalEURUUSEPSS · scored 2026-10-27
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.6
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- EDB-46001Microsoft Windows - 'jscript!JsArrayFunctionHeapSort' Out-of-Bounds Writefunctional · exploit_db
affected products (33)
Products and version ranges known to be affected.
- Microsoft Internet Explorer 11≤ Windows Server 2008 R2 for x64-based Systems Service Pack 1enisa_euvdEU
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- http://www.securityfocus.com/bid/106118cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8631cnnvd
- https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2018-8631Patchcnnvd
- https://www.exploit-db.com/exploits/46001/cnnvd
- https://www.securityfocus.com/bid/106118cnnvd
- http://www.securityfocus.com/bid/106118enisa_euvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8631enisa_euvd
- https://www.exploit-db.com/exploits/46001/enisa_euvd
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