CVE-2025-6554

HIGH CISA KEV
Published Jun 30, 2025 Modified Oct 24, 2025 CWE-843

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)

CVSS v3.1 Score

8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Jul 2, 2025 Remediation due: Jul 23, 2025

Weakness Type (CWE)

CWE-843 CWE-843

Affected Products

Vendor Product
google chrome
microsoft windows
google chrome
apple macos
linux linux_kernel

References

Frequently Asked Questions

What is CVE-2025-6554? +
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) It has a CVSS v3.1 base score of 8.1 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
How severe is CVE-2025-6554? +
CVE-2025-6554 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-6554? +
CVE-2025-6554 affects products from apple, google, linux, microsoft, specifically: chrome, linux_kernel, macos, windows. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-6554? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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