CVE-2026-3910

KEVGoogle Chromium V8 Improper Restriction of Operations Within the Bounds of a Memory Buffer Vulnerability

Description

Google Chromium V8 contains an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow a remote attacker to execute arbitrary code inside a sandbox 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.

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)

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

PublishedMar 13, 2026

Last modifiedJun 17, 2026

Added to KEVMar 13, 2026

Remediation dueMar 27, 2026

References

chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_12.htmlRelease NotesVendor Advisory
issues.chromium.org/issues/491410818Permissions Required
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3910US Government Resource

0 recent articles mention this CVE

Risk assessment · High

Actively exploited. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 215 days
CVSS: 8.8 HIGH
EPSS (30-day exploit probability): 2.7% · top 14% of all CVEs
Weakness: CWE-94
Attack vector: Network, remotely reachable

Recommended actions

1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.