CVE-2026-27648 HIGH

CVE-2026-27648: web_webview has an out-of-bounds write vulnerability

Vendor Openharmony
Product OpenHarmony
Weakness CWE-787
Published May 19, 2026
Last update May 19, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

May 19, 2026 CVE published
May 19, 2026 Record updated