CVE-2026-5281: listed in the CISA KEV catalog

CVE-2026-5281 · CVSS 8.8 HIGH · EPSS 5% · KEV 2026-04-01 · patch available

Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

Is CVE-2026-5281 exploited?

• Listed in the CISA KEV catalog on 2026-04-01.
• Federal remediation due 2026-04-15.
• Past that date by 122 days.
• EPSS puts exploitation in the next 30 days at 5%.
• Public exploit code: none found in monitored sources.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

• Release Notes

What PlainSec published about CVE-2026-5281

• Active Dawn Zero-Day in Chrome Enables Sandbox Escape (2026-04-04)

Primary sources

• NVD record
• CISA KEV catalog

What this record does not say

• No affected package data.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.