CVE-2025-10585: Google Chromium V8 Type Confusion Vulnerability
Vulnerability summary
CVE-2025-10585 is a critical (CVSS 9.8) Type Confusion vulnerability in Google Chromium V8. It is known to be exploited: CISA lists it, first on 23-09-2025. EPSS estimates a 5.39% chance of exploitation in the next 30 days, higher than 92.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 23-09-2025Added to CISA KEVGoogle Chromium V8 Type Confusion Vulnerability
- 24-09-2025PublishedVulnerability first disclosed.
- 14-10-2025CISA remediation dueApply mitigations per vendor instructions.
- 14-07-2026Last modifiedVulnerability information updated.
Description
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 metrics
5 scores · 5 sources · 1 version- CVE.orgCNA8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HDiffers
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · WolfiEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
5.39%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 5.39% on 19-09-2026
Known exploited
Compare KEV catalogs- Added
- 23-09-2025
- Federal due date
- 14-10-2025
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. chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_17.html nvd.nist.gov/vuln/detail/CVE-2025-10585
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard1 product
- chromium< 140.0.7339.185-r0
Debian1 product
- chromium< 140.0.7339.185-1~deb12u1 | < 140.0.7339.185-1~deb13u1 | < 140.0.7339.185-1
Google1 product
- chrome≥ 140.0.7339.185, < 140.0.7339.185 | < 140.0.7339.185
Siemens1 product
- cadrana
Wolfi1 product
- chromium< 140.0.7339.185-r0
5 vendors · 5 products
References
5 links- chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_17.htmlAdvisoryRelease NotesVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-10585Government ResourceWEBUS Government Resource
- cert-portal.siemens.com/productcert/html/ssa-470355.htmlThird Party Advisory