SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityUndergoing Analysis

CVE-2026-87608

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.

UnscoredEPSS 0.15%

Does this matter?

Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are published.

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)

CVSS
Not yet scored
EPSS
0.15% probability · 4th percentile
CISA KEV
Not listed
Weakness
CWE-295
Source
chrome-cve-admin@google.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.