7.6

CVE-2020-0831: microsoft chakracore Out-of-bounds Write

CVSS: 7.6v2.0HighModified
AliasesGHSA-h2xm-2p6w-mj2v
Published 12-03-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-0831 is a high (CVSS 7.6) Out-of-bounds Write vulnerability in microsoft chakracore. EPSS estimates a 8.85% chance of exploitation in the next 30 days, higher than 95.1% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.6/10
010
High · v2.0 (NVD)
EPSS score
8.85%
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. 12-03-2020
    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'. This CVE ID is unique from CVE-2020-0768, CVE-2020-0823, CVE-2020-0825, CVE-2020-0826, CVE-2020-0827, CVE-2020-0828, CVE-2020-0829, CVE-2020-0830, CVE-2020-0832, CVE-2020-0833, CVE-2020-0848.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

8.85%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 8.85% on 20-09-2026

20-09-202620-10-2026
EPSS score
8.85%

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< 1.11.17

2 vendors · 24 products

References

2 links