CVE-2022-44550Network attack vector

Availability impact via graphics layer UAF

Published Nov 9, 2022 · Updated May 1, 2025

Use-after-free in Huawei HarmonyOS 2.0 and 2.1 allows remote attackers to affect system availability via graphics display layer traversal. The graphics display module accesses a layer object after it has been freed while traversing graphic layers, creating a dangling-pointer condition. The published vector requires no authentication or user interaction over a network; exploitation is reported to impair availability, with no confidentiality or integrity impact.

CVSS severity7.5
High
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in Huawei HarmonyOS 2.0 and 2.1 allows remote attackers to affect system availability via graphics display layer traversal. The graphics display module accesses a layer object after it has been freed while traversing graphic layers, creating a dangling-pointer condition. The published vector requires no authentication or user interaction over a network; exploitation is reported to impair availability, with no confidentiality or integrity impact.

The record

CVE
CVE-2022-44550
Published
Nov 9, 2022
Updated
May 1, 2025
Vendor
Huawei Technologies Co., Ltd.
Product
HarmonyOS
Classifications
CWE-416, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 9, 2022CVE publishedPublication date reported by the CVE source.
  2. May 1, 2025Record 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=2.0
  2. Affected versionversion=2.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Huawei Technologies Co., Ltd. · HarmonyOSversion=2.0; version=2.1
MindSpore · EMUIversion=11.0.1; version=12.0.0; version=12.0.1

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5NVDCVSS:3.1/AV:N/AC:L/PR:N/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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