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)

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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	Versions
google	chrome	< 140.0.7339.207
apple	macos	All
linux	linux_kernel	All
microsoft	windows	All

References

Advisories & Patches

https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_23.html

Other References

https://issues.chromium.org/issues/430336833

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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