CVE-2025-6554HIGH 8.1CISA KEVEPSS p93.0%

CVE-2025-6554Google Chromium V8 Type Confusion Vulnerability

Google / Chromium V8

Description

Google Chromium V8 contains a type confusion vulnerability that could allow a remote attacker to perform arbitrary read/write via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS6.56% probability of exploitation · percentile 93.0% · 2026-06-19T12:03:05Z
Published2025-06-30
Last modified2025-10-24

CISA KEV entry

Added to KEV: 2025-07-02

Underlying weaknesses· 1

CWE-843

References

  1. https://chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop_30.html
  2. https://issues.chromium.org/issues/427663123
  3. https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6554

1

TypeTargetConfidenceTier
WeaknessAccess of Resource Using Incompatible Type ('Type Confusion')cwe-8430%live

(incoming)1

TypeTargetConfidenceTier
KEVEntryGoogle Chromium V8 Type Confusion Vulnerabilitykev-cve-2025-65540%live

Related by meaning· 1

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2022-4262
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.