CVE-2026-81647

Deferred Deferred - Pending Action

Graphics Module Out-of-Bounds Read Vulnerability

Publication date: 2026-09-09

Last updated on: 2026-09-09

Assigner: Huawei Technologies

Description

Out-of-bounds read vulnerability in the graphics module. Impact: Successful exploitation of this vulnerability may affect availability.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-09

Last Modified

2026-09-09

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-81647

EUVD

EUVD-2026-74611

Affected Vendors & Products

Vendor	Product	Version / Range
huawei	harmonyos	to 4.3.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-680	The product performs a calculation to determine how much memory to allocate, but an integer overflow can occur that causes less memory to be allocated than expected, leading to a buffer overflow.

Attack-Flow Graph

Executive Summary

CVE-2026-81647 is an out-of-bounds read vulnerability in the graphics module of Huawei HarmonyOS. This means an attacker could potentially read memory outside the intended buffer, which may lead to system instability or crashes.

Impact Analysis

Successful exploitation may affect system availability, causing crashes or disruptions. It does not directly impact confidentiality or integrity but could lead to denial-of-service conditions.

Compliance Impact

The provided CVE data does not specify direct impacts on compliance with standards like GDPR or HIPAA. The vulnerability is an out-of-bounds read in the graphics module affecting system availability. No evidence suggests it impacts data confidentiality or integrity, which are key concerns for GDPR and HIPAA.

Mitigation Strategies

Update HarmonyOS to the latest version as soon as patches are available. Monitor Huawei's official security bulletins for updates. Restrict network access to vulnerable systems until patched.

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