CVE-2020-0812

highpriority · track · 33EPSS 0.079 · 95 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

7.87% (95th) EPSS

CVSS 7.6 · high

Is it mine?

16 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 Chakra scripting engine handles objects in memory in Microsoft Edge (HTML-based)L, aka 'Chakra Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0811.

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 · 4.2–7.6

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

v3.14.2mediumAV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · 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-119US

affected products (16)

Products and version ranges known to be affected.

Microsoft ChakraCore≤ 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 ChakraCoreall versionsfstec_bduRU
Microsoft Corp Microsoft Edgeall versionsfstec_bduRU
microsoft chakracoreall versionsnvdUScpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*
microsoft edgeall versionsnvdUScpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*
NuGet Microsoft.ChakraCore< 1.11.17osvUSpkg:nuget/Microsoft.ChakraCore

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-g67x-mgrv-m3gvChakraCore RCE Vulnerability2022-05-24ghsa · osvUS
A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge (HTML-based)L, aka Chakra Scripting Engine Memory Corruption Vulnerability. This CVE ID is unique from CVE-2020-0811.

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 2020-03-12modified 2026-06-17

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+16124 more

references (6)

External citations — patches, advisories, analysis.

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