CVE-2026-3545: exploitation status and patch state

CVE-2026-3545 · CVSS 9.6 CRITICAL · EPSS <1% · patch available

Insufficient data validation in Navigation in Google Chrome prior to 145.0.7632.159 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Is CVE-2026-3545 exploited?

• Not in the CISA KEV catalog.
• EPSS puts exploitation in the next 30 days at <1%.
• 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-2026-3545

• ChromeOS LTS Update Fixes Three High Vulnerabilities (2026-03-27)
• Chromium Update Fixes 10 Flaws Causing Execution of Arbitrary Code and Denial of Service (2026-03-05)

Primary sources

• NVD record

What this record does not say

• No affected package data.

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