CVE-2020-1059

Name: CVE-2020-1059
Creator: NVD / NIST
Published: 2020-05-21T23:15:12.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 2.00%

Last modified Jun 17, 2026

CVE-2020-1059 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP content, aka 'Microsoft Edge Spoofing Vulnerability'.. EPSS estimates a 2.00% chance of exploitation in the next 30 days.

Description

A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP content, aka 'Microsoft Edge Spoofing Vulnerability'.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

2.00%

78.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Microsoft	Edge	All versions

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1059Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1059Patch, Vendor Advisory

Timeline

Published: May 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1059?

A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP content, aka 'Microsoft Edge Spoofing Vulnerability'.

How severe is CVE-2020-1059?

CVE-2020-1059 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 2.00% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1059?

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-2020-1059?

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

Scan your code now

Source: NVD / NIST