CVE-2025-10585
KEVGoogle Chromium V8 Type Confusion Vulnerability
Description
Google Chromium contains a type confusion vulnerability in the V8 JavaScript and WebAssembly engine.
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)
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HPublishedSep 24, 2025
Last modifiedJul 14, 2026
Added to KEVSep 23, 2025
Remediation dueOct 14, 2025
References
- chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_17.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/445380761Issue TrackingPermissions Required
- cert-portal.siemens.com/productcert/html/ssa-470355.htmlThird Party Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-10585US Government Resource
0 recent articles mention this CVE
80
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 378 days
- CVSS
- 9.8 CRITICAL
- EPSS (30-day exploit probability)
- 9.0% · top 5% of all CVEs
- Weakness
- CWE-843
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.