CVE-2026-87608

State: Published
Severity: 7.5 High
Published: Sep 9, 2026
Updated: Sep 14, 2026
Reserved: Sep 8, 2026

Description

Improper certificate validation in FedCM in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. (Chromium security severity: Low)

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	CISA-ADP

Weaknesses

CWE-295 Improper certificate validation

Affected Products

Product	Versions
ChromeGoogle	153.0.8010.36 to before 153.0.8010.36Affected

References

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/540072282

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