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

criticalknown exploitedpublic exploitCVE-2025-10585
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Google Chromium contains a type confusion vulnerability in the V8 JavaScript and WebAssembly engine.

CSIRTS triage

vendor: Googleproduct: ChromiumOther
What
The vulnerability is a type confusion issue in the V8 JavaScript and WebAssembly engine.
Who is affected
Users of Google Chromium browser.
Urgency
Immediate action is required due to active exploitation and critical severity.
Action
Update to the latest version of Google Chromium.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-09-23
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-10585

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-10585coverage & exploitation statusNVD · CVE.org

Recent advisories for Google Chromium

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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