CVE-2025-10890

CRITICAL
Published Sep 24, 2025 Modified Sep 25, 2025 CWE-1300 CWE-203

Description

Side-channel information leakage in V8 in Google Chrome prior to 140.0.7339.207 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

CVSS v3.1 Score

9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-1300 CWE-1300
CWE-203 CWE-203

Affected Products

Vendor Product
google chrome
apple macos
linux linux_kernel
microsoft windows

References

Frequently Asked Questions

What is CVE-2025-10890? +
Side-channel information leakage in V8 in Google Chrome prior to 140.0.7339.207 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High) It has a CVSS v3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2025-10890? +
CVE-2025-10890 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2025-10890? +
CVE-2025-10890 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-2025-10890? +
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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