vulnerability

Microsoft Edge Chromium CVE-2021-21164: Insufficient data validation in Chrome for iOS

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Severity

CVSS

(AV:N/AC:M/Au:N/C:P/I:N/A:N)

Published

Mar 9, 2021

Added

Nov 17, 2021

Modified

Mar 30, 2026

Description

Insufficient data validation in Chrome on iOS in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Solution

microsoft-edge-upgrade-latest

References

CVE-2021-21164
https://attackerkb.com/topics/CVE-2021-21164
CWE-346
EUVD-EUVD-2021-8555
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-8555
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21164

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