CVE-2026-87502

4.2 mediumEPSS 0.2%

Medium (4.2) in google chrome. EPSS 0.2% chance of exploitation in the next 30 days.

Confused deputy in Fullscreen in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)

Severity

CVSS 3.1

4.2 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)
CWE: CWE-441
Published: 2026-09-09
Modified: 2026-09-09
Record from: the NVD, synced 2026-10-19

Affected

google:chrome

References

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/515426792

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