Vulnerability · Published Feb 23, 2026 · Assigned by Chrome
CVE-2026-3063
High 8.8
In plain English
A high-severity security flaw in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.2%top 89.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Inappropriate implementation in DevTools in Google Chrome prior to 145.0.7632.116 allowed an attacker who convinced a user to install a malicious extension to inject scripts or HTML into a privileged page via DevTools. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | chromium | 144.0.7559.132-r3 | ALPINE-CVE-2026-3063 |
| Alpine:v3.24 | chromium | 144.0.7559.132-r3 | ALPINE-CVE-2026-3063 |
| Debian:12 | chromium | 145.0.7632.116-1~deb12u1 | DSA-6151-1 |
| Debian:12 | chromium | 145.0.7632.116-1~deb12u1 | DEBIAN-CVE-2026-3063 |
| Debian:13 | chromium | 145.0.7632.116-1~deb13u1 | DEBIAN-CVE-2026-3063 |
| Debian:13 | chromium | 145.0.7632.116-1~deb13u1 | DSA-6151-1 |
| Debian:14 | chromium | 145.0.7632.116-1 | DEBIAN-CVE-2026-3063 |