CVE-2026-13863CWE-20

Insufficient validation of untrusted input in CustomTabs in Google Chrome on Android prior to 150.0.7871.47 allowed a local attacker to perform privilege…

High · published June 30, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
2.3
In the wild
Unconfirmed
What it is

Insufficient validation of untrusted input in CustomTabs in Google Chrome on Android prior to 150.0.7871.47 allowed a local attacker to perform privilege escalation via a malicious file. (Chromium security severity: Medium)

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00129 · 2.3th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-06-30T22:38Z
EPSS history
Timeline
  • 30 JUN 22:38Z
    Insufficient validation of untrusted input in CustomTabs in Google Chrome on Android prior to 150.0.7871.47 allowed a local attacker to perform privilege…
    cvelistv5