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Fencer Vulns
high 7.5

CVE-2020-1219 in the critical feed json

A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory, aka 'Microsoft Browser Memory Cor…

published 2020-06-09 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12099

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
19.1%
EPSS 19.1% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory, aka 'Microsoft Browser Memory Corruption Vulnerability'.

Patch / fix

  • microsoft chakracore 1.11.20

Exploit prediction

19.06% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 7.6 AV:N/AC:H/Au:N/C:C/I:C/A:C

Affected products

  • Microsoft ChakraCore
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 2004 for 32-bit Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 2004 for x64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 2004 for ARM64-based Systems
  • Microsoft Internet Explorer 11 on Windows 10 Version 2004 for x64-based Systems
  • Microsoft Internet Explorer 11 on Windows 10 Version 2004 for ARM64-based Systems
  • Microsoft Internet Explorer 11 on Windows 10 Version 2004 for 32-bit Systems
  • Microsoft Internet Explorer 11
  • Microsoft Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems
  • Microsoft Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems
  • Microsoft Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems
  • Microsoft Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems
  • Microsoft Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems
  • Microsoft Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems
  • Microsoft Internet Explorer 11 on Windows Server 2012
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows Server 2019
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for 32-bit Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for x64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for ARM64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for ARM64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems
  • Microsoft Microsoft Edge (EdgeHTML-based) on Windows Server 2016

Classification

Weakness
  • CWE-843 Access of Resource Using Incompatible Type

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.