CVEs / CVE-2025-10585

CVE-2025-10585: Google Chromium V8 Type Confusion Vulnerability

Known exploited in the CISA KEV catalog since 23 Sep 2025
critical 9.8 CVSS 3.1 (NVD)
EPSS 8.97% chance of exploitation in the next 30 days, higher than 95% of CVEs (30 Oct 2026)
Last changed at its sources 14 Jul 2026

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Summary

Google Chromium contains a type confusion vulnerability in the V8 JavaScript and WebAssembly engine.
CISA, Known Exploited Vulnerabilities catalog

Description

Type confusion in V8 in Google Chrome prior to 140.0.7339.185 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
The CVE record, via NVD · published 24 Sep 2025 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
Google Chrome	from 140.0.7339.185, before 140.0.7339.185	140.0.7339.185
Siemens CADRA	all versions	—

Exploitation

In CISA KEV since	23 Sep 2025
Due date for US federal agencies	14 Oct 2025
Used in ransomware campaigns	Unknown
Required action	Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Severity

CVSS 3.1	9.8 critical `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Scored by NVD
Weakness	CWE-843

References

CVE-2025-10585 on NVD
CVE-2025-10585 in the CISA KEV catalog
https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_17.html (cited by CISA)
CVE-2025-10585 on OSV
https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_17.html Release Notes, Vendor Advisory
https://issues.chromium.org/issues/445380761 Issue Tracking, Permissions Required
https://cert-portal.siemens.com/productcert/html/ssa-470355.html Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-10585 US Government Resource

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.