What’s Vulnerable › Vulnerabilities

CVE-2026-17858

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-30 · updated 2026-10-23
• Weakness: CWE-457

Description

Uninitialized Use in WebNN in Google Chrome on Windows prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Affected products

• Google Chrome: before 151.0.7922.72 — fixed in 151.0.7922.72

How to fix

Upgrade to a fixed version: Google Chrome 151.0.7922.72. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html
• https://issues.chromium.org/issues/520191468

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