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)
Conclusion & alert: CVE-2026-3910 is rated Critical Active Threat (93/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.24%). Core evidence: CISA KEV confirms active exploitation (added 2026-03-13) affecting Google / Chromium V8. a weakness (CWE-119) Unauthenticated remote administrative access may be possible. EPSS rose +2.30% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Google Chromium V8 Improper Restriction of Operations Within the Bounds of a Memory Buffer Vulnerability · CISA KEV detail
: 2026-03-13
: 2026-03-27
: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-22 | 0.94% | 3.24% | +2.30% |
| 2 | 2026-05-19 | 0.82% | 0.94% | +0.12% |
| 3 | 2026-05-15 | — | 0.82% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2026-3910: 1 source package rows (qt6-qtwebengine); 2 state rows across 2 repos (3.23-community, edge-community); fixed 2, open 0. | https://security.alpinelinux.org/vuln/CVE-2026-3910 |
debian
|
end-of-life | CVE-2026-3910 end-of-life priority: Debian including 1 source packages (chromium), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. | https://security-tracker.debian.org/tracker/CVE-2026-3910 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2026-3910 |
| URL | Tags |
|---|---|
| https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_12.html | Vendor Advisory Release Notes |
| https://issues.chromium.org/issues/491410818 | Permissions Required |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3910 | US Government Resource |