CVE-2026-9979

State: Published
Severity: 5.0 Medium
Published: May 28, 2026
Updated: May 29, 2026
Reserved: May 28, 2026

Description

Insufficient validation of untrusted input in Input in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

Scores

CVSS	Score	Vector	Source
3.1	5.0 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L	CISA-ADP

Weaknesses

CWE-20 Insufficient validation of untrusted input

Affected Products

Product	Versions
ChromeGoogle	148.0.7778.216 to before 148.0.7778.216Affected

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
https://issues.chromium.org/issues/511742228

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