CVE-2020-0827 in the critical feed json
Out-of-bounds write in ChakraCore
published 2020-03-12 6 y ago modified 2026-06-17 4 mo ago also GHSA-7j34-xq9v-9mqg , EUVD-2021-1448
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 13.3%
- EPSS 13.3% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
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-2020-0768, CVE-2020-0823, CVE-2020-0825, CVE-2020-0826, CVE-2020-0828, CVE-2020-0829, CVE-2020-0830, CVE-2020-0831, CVE-2020-0832, CVE-2020-0833, CVE-2020-0848.
Patch / fix
- nuget Microsoft.ChakraCore 1.11.17
- microsoft chakracore 1.11.17
Exploit prediction
13.30% chance of exploitation in the next 30 days, higher than 96% 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 |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Microsoft.ChakraCore | <1.11.17 |
1.11.17 |
Affected products
- Microsoft ChakraCore
- 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-787 Out-of-bounds Write
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-0827
web, patch, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-0827
advisory
Sources
- CVE List CVE-2020-0827
- GitHub Advisory GHSA-7j34-xq9v-9mqg
- NVD CVE-2020-0827
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.