CVE-2026-3910: Google Chromium V8 (High, CVSS 8.8)
- CVSS
- 8.8 High (v3.1)
- EPSS
- 2.7% chance of exploitation in the next 30 days (higher than 85.9% of CVEs)
- Exploited in the wild
- Yes, on CISA’s KEV list since Mar 13, 2026
- Public exploit
- Yes, reported in 1 GitHub repository
- Weakness
- CWE-119, CWE-94
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Published
- Mar 13, 2026
- CISA fix-by date
- Mar 27, 2026 (for US federal agencies)
What it is
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)
Description from the National Vulnerability Database.
What to do
CISA: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Check whether you run Google Chromium V8, then apply the vendor’s fix or mitigation from the advisories below. Because this flaw is exploited or has public exploit code, treat it as urgent and check for signs of compromise, not just the patch level.
Advisories and fixes
ThreatRoundup coverage
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Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.