CVE-2020-0811A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge…
- 7.5HighCVSS base score
- 7.7%Exploitation in 30 daysEPSS · top 5.3% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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-2020-0812.
Timeline
ID reserved
By microsoft
- 4 months later
· 4 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 7.7% · top 5.3% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows Server 2019
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for x64-based Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for ARM64-based Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for ARM64-based Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems
- affected unspecified
Microsoft · Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systems
- affected unspecified
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetMicrosoft.ChakraCoreGHSA-pg99-mp4c-75g6 (opens in a new tab)
References
References1
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0811 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-4757 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-pg99-mp4c-75g6 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-0811)Record last updated .