CVE-2019-0771 in the critical feed json
High severity vulnerability that affects Microsoft.ChakraCore
published 2019-04-09 7 y ago modified 2026-06-17 4 mo ago also GHSA-fvpg-qx3g-7mp7 , EUVD-2019-0418
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 10.3%
- EPSS 10.3% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0609, CVE-2019-0639, CVE-2019-0680, CVE-2019-0769, CVE-2019-0770, CVE-2019-0773, CVE-2019-0783.
Patch / fix
- nuget Microsoft.ChakraCore 1.11.7
- microsoft chakracore 1.11.7
Exploit prediction
10.34% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/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 | 3.0 | 7.5 | CVSS:3.0/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 | <1.11.7 |
1.11.7 |
Affected products
- Microsoft Microsoft Edge
- Microsoft ChakraCore
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-0771
web, patch, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-0771
advisory
-
github.com
/advisories/GHSA-fvpg-qx3g-7mp7
advisory
Sources
- CVE List CVE-2019-0771
- GitHub Advisory GHSA-fvpg-qx3g-7mp7
- NVD CVE-2019-0771
Fencer Intel 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.