9.3

CVE-2020-1073: microsoft chakracore Out-of-bounds Write

CVSS: 9.3v2.0HighModified
AliasesGHSA-g3m9-qrfj-xw4g
Published 09-06-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-1073 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in microsoft chakracore. EPSS estimates a 8.64% chance of exploitation in the next 30 days, higher than 95% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
8.64%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-06-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka 'Scripting Engine Memory Corruption Vulnerability'.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

8.64%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 8.64% on 20-09-2026

20-09-202620-10-2026
EPSS score
8.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft23 products
NuGet1 product
  • Microsoft.ChakraCore< 1.11.20

2 vendors · 24 products

References

5 links