VulnerabilityAnalyzed
CVE-2026-78949
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.
LOW 2.9EPSS 0.10%
Does this matter?
Lower severity and a low EPSS score (0.10%). Track it; it rarely justifies an emergency change on its own.
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)
- CVSS 3.1
- 2.9 LOWCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.10% probability · 1th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- google/chrome
- Source
- chrome-cve-admin@google.com
References
- https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.htmlRelease Notes, Vendor Advisory
- https://issues.chromium.org/issues/517910756Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.