7.6

CVE-2020-0811: microsoft chakracore Out-of-bounds Write

CVSS: 7.6v2.0HighModified
AliasesGHSA-pg99-mp4c-75g6
Published 12-03-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-0811 is a high (CVSS 7.6) Out-of-bounds Write vulnerability in microsoft chakracore. EPSS estimates a 7.71% chance of exploitation in the next 30 days, higher than 94.5% 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
7.71%
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 Chakra scripting engine handles objects in memory in Microsoft Edge (HTML-based)L, aka 'Chakra Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0812.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

7.71%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 7.71% on 21-09-2026

21-09-202621-10-2026
EPSS score
7.71%

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

Microsoft18 products
NuGet1 product
  • Microsoft.ChakraCore< 1.11.17

2 vendors · 19 products

References

5 links