CVE-2020-17131

Name: CVE-2020-17131
Creator: NVD / NIST
Published: 2020-12-10T00:15:15.323+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.2/10EPSS 1.95%

Last modified Jun 17, 2026

CVE-2020-17131 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. Chakra Scripting Engine Memory Corruption Vulnerability. EPSS estimates a 1.95% chance of exploitation in the next 30 days.

Description

Chakra Scripting Engine Memory Corruption Vulnerability

Metrics

CVSS 3.1

4.2/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS Probability

1.95%

77.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Microsoft	Edge	All versions
Microsoft	Chakracore	< 1.11.0

References

Timeline

Published: Dec 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-17131?

Chakra Scripting Engine Memory Corruption Vulnerability

How severe is CVE-2020-17131?

CVE-2020-17131 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 1.95% probability of exploitation in the next 30 days.

How do I fix CVE-2020-17131?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-17131?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST