Actively exploited · Published Mar 12, 2026 · Assigned by Chrome
CVE-2026-3910
High 8.8 Exploited
In plain English
A high-severity memory corruption in Chrome from Google. Attackers are actively exploiting it in the wild (listed by CISA on March 13, 2026). The chance it is exploited in the next 30 days is estimated at 2.7% (higher than 86% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
CISA guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Mar 27, 2026.
Official description
Inappropriate implementation in V8 in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | qt6-qtwebengine | 6.10.1-r10 | ALPINE-CVE-2026-3910 |
| Alpine:v3.24 | qt6-qtwebengine | 6.10.2-r8 | ALPINE-CVE-2026-3910 |
| Debian:12 | chromium | 146.0.7680.80-1~deb12u1 | DSA-6165-1 |
| Debian:12 | chromium | 146.0.7680.80-1~deb12u1 | DEBIAN-CVE-2026-3910 |
| Debian:13 | chromium | 146.0.7680.80-1~deb13u1 | DEBIAN-CVE-2026-3910 |
| Debian:13 | chromium | 146.0.7680.80-1~deb13u1 | DSA-6165-1 |
| Debian:14 | chromium | 146.0.7680.80-1 | DEBIAN-CVE-2026-3910 |
Affected products (as reported)
Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H