Google · Chromium V8
CVE-2025-10585
Google Chromium V8 Type Confusion Vulnerability
What it is
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)
CISA: Google Chromium contains a type confusion vulnerability in the V8 JavaScript and WebAssembly engine.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Deadline for US federal agencies: October 14, 2025
More exploited flaws from Google
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Sep 9, 2026 | Out of Bounds Write | Chromium V8 | High 8.8 | 3.5% |
| Sep 4, 2026 | Type Confusion | Chromium V8 | High 8.8 | 1.8% |
| Jun 9, 2026 | Out-of-Bounds Read and Write | Chromium V8 | High 8.8 | 2.4% |
| Mar 13, 2026 | Improper Restriction of Operations Within the Bounds of a Memory Buffer | Chromium V8 | High 8.8 | 2.7% |
| Nov 19, 2025 | Type Confusion | Chromium V8 | High 8.8 | 4.9% |
| Jul 2, 2025 | Type Confusion | Chromium V8 | High 8.1 | 14% |
| Jun 5, 2025 | Out-of-Bounds Read and Write | Chromium V8 | High 8.8 | 7.8% |
| Aug 28, 2024 | Inappropriate Implementation | Chromium V8 | High 8.8 | 19% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.