CVE-2026-28537

Local availability loss via window-module double free

Published Mar 5, 2026 · Updated Mar 5, 2026

Double free in the window module of Huawei HarmonyOS 6.0.0 allows local users to interrupt service availability. The module releases the same memory allocation twice, but Huawei has not disclosed the affected function, triggering input, or execution path. Exploitation requires local access and high-complexity conditions; Huawei has not disclosed whether the interruption is a hang, crash, reboot, or shutdown.

CVSS severity5.1
Medium
EPSS probability0.07%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Double free in the window module of Huawei HarmonyOS 6.0.0 allows local users to interrupt service availability. The module releases the same memory allocation twice, but Huawei has not disclosed the affected function, triggering input, or execution path. Exploitation requires local access and high-complexity conditions; Huawei has not disclosed whether the interruption is a hang, crash, reboot, or shutdown.

The record

CVE
CVE-2026-28537
Published
Mar 5, 2026
Updated
Mar 5, 2026
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-415
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.0.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=6.0.0

Published CVSS scores

5.1Huawei TechnologiesCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-415Double Free

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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