CVE-2026-8021

Name: CVE-2026-8021
Creator: NVD / NIST
Published: 2026-05-06T19:16:53.053+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.2/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2026-8021 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. Script injection in UI in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who convinced a user to engage in specific UI gestures to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: Low). EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

Script injection in UI in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who convinced a user to engage in specific UI gestures to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: Low)

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

0.15%

5.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Google	Chrome	< 148.0.7778.96

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
https://issues.chromium.org/issues/498417031Permissions Required

Timeline

Published: May 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-8021?

How severe is CVE-2026-8021?

CVE-2026-8021 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2026-8021?

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-2026-8021?

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

Scan your code now

Source: NVD / NIST