Is CVE-2025-4609 in the CISA KEV catalog?

No. CVE-2025-4609 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-4609?

CVE-2025-4609 has a CVSS v3 base score of 9.6 (CRITICAL).

What is the EPSS score for CVE-2025-4609?

CVE-2025-4609 has an EPSS score of 0.38% (29th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-4609

CRITICAL

9.6

CVSS v3

NVD

Description

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)

CWE-732

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Exploit Intelligence

0.38%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-25.