9.8

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

CVSS: 9.8v3.1CriticalKEVAnalyzed
AliasesDEBIAN-CVE-2025-10585CGA-39ff-46m2-j6gvCGA-4g3r-7x23-3p92
Published 24-09-2025Last modified 14-07-2026

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.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
5.39%
0%100%
Low · 0.00 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2

Timeline

  1. 23-09-2025
    Added to CISA KEVGoogle Chromium V8 Type Confusion Vulnerability
  2. 24-09-2025
    PublishedVulnerability first disclosed.
  3. 14-10-2025
    CISA remediation dueApply mitigations per vendor instructions.
  4. 14-07-2026
    Last 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

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

19-09-202619-10-2026
EPSS score
5.39%

Known exploited

Compare KEV catalogs
CISA KEVListed
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 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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
Wolfi1 product
  • chromium< 140.0.7339.185-r0

5 vendors · 5 products

References

5 links