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Critical· 9.6official fix available

CVE-2026-11659

An integer overflow in Chrome's UI on Linux can let a remote attacker escape the browser sandbox by loading a specially crafted HTML page. This flaw could allow the attacker to run code outside the browser.

publishedJun 9, 2026
last modifiedJul 23, 2026
sourcesNVD
severity · cvss
9.6
critical · how bad it is
exploitation · epss
<1%
17th 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 23, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

Google Chrome on Linux, versions earlier than 149.0.7827.103.

02

Real-world impact

An attacker could run arbitrary code on the victim’s machine by tricking them into opening a malicious web page.

03

Why this severity

The CVSS score is high because the vulnerability can be exploited remotely with no user interaction, and it allows complete compromise of the system. The impact is severe as it grants full control over the affected machine.

04

What to do about it

official fix available
recommended steps
  1. 011. Update Google Chrome to version 149.0.7827.103 or later.
  2. 022. Restart the browser to apply the update.

NVD description

05

Timeline

  1. Jun 9, 2026 · Jun 9, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 23, 2026 · 12d ago
    Advisory updated
    The NVD record was last revised.
  3. Jul 24, 2026 · 11d ago
    Official fix available
    A 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

NVD advisory ↗Search advisories ↗
(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 →
CVE-2026-11659: An integer overflow in Chrome's UI on Linux can let a remote attacker · Vulnary