Google Chromium CSS Use-After-Free Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH

8.8 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

0.39 %

Predictive Probability

Percentile Rank

59.8 th

Documented as more likely to be exploited than 59.8% of known CVEs.

Detection Date

Feb 17, 2026

Remediation Due

Mar 10, 2026

CISA Catalog Active

Threat Analysis

Google Chromium CSS contains a use-after-free vulnerability that could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence

https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop_13.html

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2026-2441