Is CVE-2026-4451 actively exploited?

No active exploitation of CVE-2026-4451 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4451 be exploited remotely?

Yes. CVE-2026-4451 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4451?

CVE-2026-4451 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-4451

CWE-20Published: March 20, 2026· Updated: Mar 20, 2026

8.8

CVSS v3.1

EPSS:0.10%probability of exploitation in 30 daysPercentile:27.5th

Official Description

Insufficient validation of untrusted input in Navigation in Google Chrome prior to 146.0.7680.153 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

NVD Source

Technical Analysis

CVE-2026-4451 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.