CVE-2026-17670Network attack vector

Sandbox escape via use-after-free in Views

Published Jul 30, 2026 · Updated Jul 30, 2026

Use-after-free in Google Chrome Views before 151.0.7922.72 allows remote attackers to escape the sandbox via crafted HTML. Views reuses a freed object, but Google restricts the bug details and has not disclosed the affected object or lifetime sequence. Exploitation requires prior renderer compromise and user interaction with the crafted page; success crosses the browser sandbox boundary.

CVSS severity9.6
Critical
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in Google Chrome Views before 151.0.7922.72 allows remote attackers to escape the sandbox via crafted HTML. Views reuses a freed object, but Google restricts the bug details and has not disclosed the affected object or lifetime sequence. Exploitation requires prior renderer compromise and user interaction with the crafted page; success crosses the browser sandbox boundary.

The record

CVE
CVE-2026-17670
Published
Jul 30, 2026
Updated
Jul 30, 2026
Vendor
Go standard library
Product
Google Chrome
Classifications
CWE-416, T1068
Attack vector
network
Privileges
Unavailable

Timeline

How it unfolded

  1. Jul 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 30, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=151.0.7922.72 <151.0.7922.72

What conditions does exploitation require?

Attack vectornetwork
Required privilegesUnavailable in this record.

What is affected?

Go standard library · Google Chromeversion=151.0.7922.72 <151.0.7922.72

Published CVSS scores

9.6CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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