CVE-2025-6554
HighExploitedPublic exploitType confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page.
Published Jun 30, 2025 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2025-6554, DSA-5955-1
Key Facts
Patch immediately- CVE-2025-6554 is a high-severity vulnerability (CVSS 8.1 v3.1) affecting Chrome (Google), qt6-qtwebengine (alpine), chromium (chainguard) and 1 more product.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 30, 2025. Public exploit code is available.
- EPSS estimates a 14% probability of exploitation in the next 30 days.
- Fixed versions are available, including Chrome 138.0.7204.96, chromedriver 138.0.7204.96-1.1, chromium 138.0.7204.92-1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS (30-day exploit likelihood)
14%
Higher than 96.5% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-6554 brief as a PDF
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Description
Type confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jul 2, 2025 | Jul 23, 2025 | Not reported |
| Industry KEV feed | Jun 30, 2025 | Jul 23, 2025 | Not reported |
| CIRCL KEV | Jul 2, 2025 | Jul 23, 2025 | Not reported |
| ENISA EUVD | Jul 2, 2025 | n/a | Not reported |
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.
Affected Products
21 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ChromeGoogle | >= 138.0.7204.96 | 138.0.7204.96 |
| qt6-qtwebenginealpine | See advisory | 6.8.3-r1 |
| chromiumchainguard | See advisory | 138.0.7204.92-r0 |
| chromedriversuse | See advisory | 138.0.7204.96-1.1 |
Patched Releases
Chrome
138.0.7204.96
chromedriver
138.0.7204.96-1.1
chromium
138.0.7204.92-1, 138.0.7204.92-1~deb12u1, 138.0.7204.92-r0, 138.0.7204.96-1.1
qt6-qtwebengine
6.8.3-r1, 6.9.1-r3
Timeline
Publicly disclosed
Jun 30, 2025
Added to Industry KEV feed
Jun 30, 2025
Added to CISA KEV
Jul 2, 2025
Added to CIRCL KEV
Jul 2, 2025
Added to ENISA EUVD
Jul 2, 2025
Last updated
Aug 4, 2026
Weakness Type
- CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
References
- advisoryVulnCheck exploitation report
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2025-6554
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Type confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page.
Affected: Chrome (Google) versions >= 138.0.7204.96; qt6-qtwebengine (alpine); chromium (chainguard), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 30, 2025.
Yes. It was added on Jul 2, 2025 with a federal remediation due date of Jul 23, 2025.
Public exploit code is available.
Fixed versions are available, including Chrome 138.0.7204.96, chromedriver 138.0.7204.96-1.1, chromium 138.0.7204.92-1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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