CVE-2025-10585: Google Chromium V8 Type Confusion Vulnerability
Affects Google Chromium V8Source CISA KEV
0
Exploited in the wild · KEV due 14 Oct 2025 · 6% EPSS : apply the vendor's fix or mitigations to Google Chromium V8 now.
Data as of 10/24/2026, 22:16:00 UTC
CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
- Exploitation
Actively exploited – in CISA KEV since 09/23/2025
- KEV deadline
- 10/14/2025 US federal agencies must patch by this date; a sensible deadline for everyone else.
- EPSS
- 6.0% chance of exploitation in 30 days – higher than 93% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HWhat to do
CISA 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.
Description
Google Chromium contains a type confusion vulnerability in the V8 JavaScript and WebAssembly engine.
Weaknesses
- CWE-843Access of Resource Using Incompatible Type ('Type Confusion') (opens in a new tab)
Base weakness
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
References
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