CVE-2026-27648CWE-787

web_webview has an out-of-bounds write vulnerability

High · published May 19, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
53.7
In the wild
Unconfirmed
What it is

in OpenHarmony v6.0 and prior versions allow a remote attacker arbitrary code execution in pre-installed apps.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00730 · 53.7th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-05-19T02:58Z
EPSS history
Timeline
  • 19 MAY 02:58Z
    web_webview has an out-of-bounds write vulnerability
    cvelistv5