CVE-2021-1705

Name: CVE-2021-1705
Creator: NVD / NIST
Published: 2021-01-12T20:15:34.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.2/10EPSS 1.92%

Last modified Jun 17, 2026

CVE-2021-1705 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. Microsoft Edge (HTML-based) Memory Corruption Vulnerability. EPSS estimates a 1.92% chance of exploitation in the next 30 days.

Description

Microsoft Edge (HTML-based) 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

1.92%

77.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Edge	All versions

References

Timeline

Published: Jan 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1705?

Microsoft Edge (HTML-based) Memory Corruption Vulnerability

How severe is CVE-2021-1705?

CVE-2021-1705 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 1.92% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1705?

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-2021-1705?

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

Scan your code now

Source: NVD / NIST