PT-2026-32278 · Huawei · Harmonyos

Published 2026-04-13 · Updated 2026-04-13 · CVE-2026-34865

Positive Technologies (AI Summary)

CVSS v4.0

10

Critical

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Name of the Vulnerable Software and Affected Versions HarmonyOS version 6.0.0

Description An out-of-bounds write issue exists in the WEB module. An out-of-bounds write occurs when a program writes data past the end of an intended buffer, which can lead to memory corruption. Successful exploitation of this flaw affects availability and confidentiality.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-34865

Affected Products

Harmonyos

References · 7

• https://consumer.huawei.com/en/support/bulletinwearables/2026/4 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-34865 · Security Note
• https://twitter.com/vuldb/status/2043595938179305715 · Twitter Post
• https://twitter.com/0dayPublishing/status/2043587647491199264 · Twitter Post
• https://twitter.com/ctiwatchcloud/status/2043660577638097379 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2043724488143958106 · Twitter Post
• https://twitter.com/CVEnew/status/2043733068708782336 · Twitter Post