CVE-2020-0970

highpriority · track · 35EPSS 0.133 · 96 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

13.3% (96th) EPSS

CVSS 7.6 · high

Is it mine?

19 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0968.

cvss

Technical severity, 0–10. One row per scoring source.

7.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.6

v2.07.6highAV:N/AC:H/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 4.9 · impact 10

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.9

v3.17.5highAV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-119USCWE-787US

affected products (19)

Products and version ranges known to be affected.

Microsoft ChakraCore≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for 32-bit Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for ARM64-based Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for x64-based Systems≤ unspecifiedenisa_euvdEU
Microsoft Microsoft Edge (EdgeHTML-based) on Windows Server 2019≤ unspecifiedenisa_euvdEU
Microsoft Corp ChakraCore≤ 1.11.18fstec_bduRU
Microsoft Corp Microsoft Edgeall versionsfstec_bduRU
microsoft chakracore< 1.11.18nvdUScpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*
microsoft edgeall versionsnvdUScpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*
NuGet Microsoft.ChakraCore< 1.11.18osvUSpkg:nuget/Microsoft.ChakraCore

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-233h-59m2-qqf2ChakraCore Remote Code Execution Vulnerability2022-05-24ghsa · osvUS
A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0968.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2020-04-15modified 2026-06-17

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+16124 more

references (7)

External citations — patches, advisories, analysis.

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