Critical· 9.6official fix available
CVE-2026-11009
A critical flaw in Google Chrome on Windows allows a remote attacker to escape the browser sandbox by sending a specially crafted USB device. The vulnerability is a use‑after‑free bug that can be triggered from a web page.
publishedJun 4, 2026
last modifiedJul 22, 2026
sourcesNVD
severity · cvss
9.6
critical · how bad it is
exploitation · epss
<1%
25th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 22, 2026
An official fix is available, so this entry is kept for 30 days and then removed automatically.
01
Who is affected
Google Chrome users on Windows who have not updated to version 149.0.7827.53 or later.
02
Real-world impact
An attacker could run code outside the browser sandbox, potentially taking control of the victim’s computer.
03
Why this severity
The CVSS score of 9.6 reflects that the flaw is exploitable over the network, requires no user interaction beyond visiting a malicious page, and can lead to full compromise of the system.
04
What to do about it
official fix available
recommended steps
- 01Update Google Chrome to version 149.0.7827.53 or later.
- 02Restart the browser to apply the update.
NVD-referenced vendor advisory
05
Timeline
- Jun 4, 2026 · Jun 4, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 22, 2026 · 13d agoAdvisory updatedThe NVD record was last revised.
- Jul 23, 2026 · 12d agoOfficial fix availableA vendor patch or mitigation now exists — see the remediation steps above.
06
How it’s attacked
Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07
References & advisories
- chromereleases.googleblog.com/2026/06/stable-channel-upda…release notesvendor advisory
- issues.chromium.org/issues/496233132permissions required
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →