CVE-2026-78949

State: Published
Severity: 2.9 Low
Published: Aug 25, 2026
Updated: Sep 17, 2026
Reserved: Aug 25, 2026

Description

Observable discrepancy in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain cross-origin data via a co-installed app. (Chromium security severity: Medium)

Scores

CVSS	Score	Vector	Source
3.1	2.9 Low	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N	CISA-ADP

Weaknesses

CWE-203 Observable discrepancy

Affected Products

Product	Versions
ChromeGoogle	152.0.7977.65 to before 152.0.7977.65Affected

References

https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html
https://issues.chromium.org/issues/517910756

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