CVE-2026-34863 — Out-of-bounds Write in Huawei Harmonyos

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
6.7MEDIUMNVD
EPSS
0.0%
top 99.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Huawei Harmonyos
Timeline
PublishedApr 13

Description

Out-of-bounds write vulnerability in the file system. Impact: Successful exploitation of this vulnerability may affect availability.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages1 packages

▶CVEListV5huawei/harmonyos5.1.0, 6.0.0+1

🔴Vulnerability Details

2
GHSA
GHSA-m263-6xmg-c437: Out-of-bounds write vulnerability in the file system↗2026-04-13
▶
CVEList
CVE-2026-34863: Out-of-bounds write vulnerability in the file system↗2026-04-13
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CVE-2026-34863 — Out-of-bounds Write in Huawei | cvebase