Vulnerabilities

Vulnerability · CVE-2026-106346

Improper state validation in DevTools in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a…

Published Oct 6, 2026 · catalog updated Oct 14, 2026 · Google Chrome

Last checked Oct 23, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-106346. EPSS is 0.33%. Act only if a listed version of Google Chrome is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.33%
Remediation
Advisory link
Affected products
cpe google/chrome · vendor Google Chrome

Improper state validation in DevTools in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe google/chromeversion unspecified
  • vendor Google Chromeversion unspecified

How to fix CVE-2026-106346

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-106346. EPSS is 0.33%. Act only if a listed version of Google Chrome is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-754. EPSS 0.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 6, 2026 · NIST NVD

    Detected

    Improper state validation in DevTools in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

  2. Oct 14, 2026 · NIST NVD

    Updated

    Improper state validation in DevTools in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Sources

  • Chrome ReleasesVendor advisoryCVE-2026-106346

    M-156, ChromeOS version 16836.19.0 (Browser version 156.0.8078.42) has rolled out to ChromeOS devices on the Stable channel. If you find new issues, please let us know one of the following ways: <ol style=

    blogger.com
  • CIRCL Vulnerability LookupVulnerability recordCVE-2026-106346

    Improper state validation in DevTools in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

    vulnerability.circl.lu
  • CVE.orgVulnerability recordCVE-2026-106346

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-106346

    30-day exploitation probability 0.33%

    first.org
  • NIST NVDVulnerability recordCVE-2026-106346

    Improper state validation in DevTools in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Chrome ReleasesOct 23, 2026
  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 16, 2026
  • CIRCL Vulnerability LookupOct 14, 2026
  • NIST NVDOct 14, 2026