CVE-2020-6457

Name: CVE-2020-6457
Creator: NVD / NIST
Published: 2020-05-21T04:15:10.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.6/10EPSS 1.24%

Last modified Jun 17, 2026

CVE-2020-6457 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Use after free in speech recognizer in Google Chrome prior to 81.0.4044.113 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

Use after free in speech recognizer in Google Chrome prior to 81.0.4044.113 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Metrics

CVSS 3.1

9.6/10

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

EPSS Probability

1.24%

65.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Google	Chrome	< 81.0.4044.113
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_15.htmlRelease Notes, Vendor Advisory
https://crbug.com/1067851Permissions Required, Vendor Advisory
https://www.debian.org/security/2020/dsa-4714Third Party Advisory
https://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_15.htmlRelease Notes, Vendor Advisory
https://crbug.com/1067851Permissions Required, Vendor Advisory
https://www.debian.org/security/2020/dsa-4714Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-6457?

Use after free in speech recognizer in Google Chrome prior to 81.0.4044.113 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

How severe is CVE-2020-6457?

CVE-2020-6457 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6457?

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-2020-6457?

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

Scan your code now

Source: NVD / NIST