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Vulnerabilities

Vulnerability · CVE-2025-4609

Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 136.0.7103.113 allowed a remote attacker to potentially perform a sandbox escape

Published Aug 22, 2025 · catalog updated Feb 26, 2026 · Google Chrome

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-4609. EPSS is 0.39%. Act only if a listed version of Google Chrome is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.39%
Remediation
Version ranges on file
Affected products
vendor Google Chrome 136.0.7103.113 <136.0.7103.113

Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 136.0.7103.113 allowed a remote attacker to potentially perform a sandbox escape via a malicious file. (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.

  • vendor Google Chrome 136.0.7103.113 <136.0.7103.113136.0.7103.113 <136.0.7103.113

How to fix CVE-2025-4609

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-2025-4609. EPSS is 0.39%. Act only if a listed version of Google Chrome is installed.

Which versions are affected?

Compare what you have installed with Google Chrome 136.0.7103.113 <136.0.7103.113 136.0.7103.113 <136.0.7103.113. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.39%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

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. Aug 22, 2025 · EUVD

    Detected

    Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 136.0.7103.113 allowed a remote attacker to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

  2. Feb 26, 2026 · EUVD

    Updated

    Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 136.0.7103.113 allowed a remote attacker to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

Sources

  • CVE.orgVulnerability recordCVE-2025-4609

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-4609

    30-day exploitation probability 0.39%

    first.org
  • EUVDVulnerability recordEUVD-2025-25768

    Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 136.0.7103.113 allowed a remote attacker to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026