CVE-2026-17861

State: Published
Severity: 7.8 High
Published: Jul 30, 2026
Updated: Jul 31, 2026
Reserved: Jul 27, 2026

Description

Insufficient validation of untrusted input in Updater in Google Chrome prior to 151.0.7922.72 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-20 Insufficient validation of untrusted input

Affected Products

Product	Versions
ChromeGoogle	151.0.7922.72 to before 151.0.7922.72Affected

References

https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html
https://issues.chromium.org/issues/520417861

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