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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2025-09-23
• EPSS: 6.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-24 · updated 2026-07-14
• Weakness: CWE-843

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)

Affected products

• Google Chrome: before 140.0.7339.185 — fixed in 140.0.7339.185
• Siemens Cadra: all versions

How to fix

Upgrade to a fixed version: Google Chrome 140.0.7339.185. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_17.html
• https://issues.chromium.org/issues/445380761
• https://cert-portal.siemens.com/productcert/html/ssa-470355.html
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-10585

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