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Fencer Vulns
medium 4.3

CVE-2018-8452 json

ChakraCore information disclosure vulnerability

published 2018-09-13 8 y ago modified 2026-06-17 4 mo ago also GHSA-w3qr-8v4r-592m , EUVD-2022-5483

cvss
4.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.6%
EPSS 5.6% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft browsers, aka "Scripting Engine Information Disclosure Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge.

Patch / fix

Exploit prediction

5.59% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N
GitHub 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
nuget Microsoft.ChakraCore
<1.11.1
1.11.1

Affected products

  • Microsoft ChakraCore
  • Microsoft Internet Explorer 11
  • Microsoft Microsoft Edge

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.