GHSA-g3m9-qrfj-xw4g · Severity: high · Ecosystem: nuget — ChakraCore RCE Vulnerability
A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka 'Scripting Engine Memory Corruption Vulnerability'.
Conclusion & alert: CVE-2020-1073 is rated High Risk (67.7/100): CVSS High severity, with high exploitation likelihood (EPSS 15.73%, 95th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.22% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-17 | 13.51% | 15.73% | +2.22% |
| 2 | 2025-11-21 | 15.73% | 13.51% | -2.22% |
| 3 | 2025-11-18 | — | 15.73% | — |
Full EPSS history (36 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | [email protected] |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
GHSA-g3m9-qrfj-xw4g · Severity: high · Ecosystem: nuget — ChakraCore RCE Vulnerability
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | edge | — | cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:* |
| microsoft | chakracore | < 1.11.20 | cpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1073 | Patch Vendor Advisory |