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The vulnerability of the Cross-Origin-Opener-Policy (COOP) function in Google Chrome and Microsoft Edge allows a perpetrator to bypass existing security mechanisms.

🗓️ 28 May 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

COOP vulnerability in Chrome and Edge enables remote bypass due to insufficient input validation.

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Rows per page
Vulners
Node
googlegoogle_chromeRange<148.0.7778.96
OR
googlegoogle_chromeRange<148.0.7778.97
OR
microsoftmicrosoft_edgeRange<148.0.3967.54

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28 May 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 22.6
CVSS 33.1
EPSS0.002
1