CVE-2026-24915VulnerabilityPublished 6 Feb 2026

CVE-2026-24915: Huawei HarmonyOS · Out-of-bounds Read

Affects Huawei HarmonyOSSource CVE Database V5

Not known to be exploited · CVSS 6.2 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score

6.2Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector: Local
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Local: The vulnerable component is not bound to the network stack and the attacker’s path is via read/write/execute capabilities. Either: the attacker exploits the vulnerability by accessing the target system locally (e.g., keyboard, console), or remotely (e.g., SSH); or the attacker relies on User Interaction by another person to perform actions required to exploit the vulnerability (e.g., tricking a legitimate user into opening a malicious document).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: High: There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact.
Integrity: None: There is no loss of integrity within the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 6 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
HuaweiHarmonyOS	Affected =5.1.0 =6.0.0	Fixed in–

AI-suggested

1. Monitor Huawei's official security advisories for patches addressing CVE-2026-24915 and apply updates promptly once available. 2. Restrict local access to devices running affected HarmonyOS versions by enforcing strict physical security controls and limiting local network access. 3. Implement device usage policies that minimize exposure of sensitive data on vulnerable devices, especially in high-risk environments. 4. Employ endpoint detection and response (EDR) solutions capable of detecting anomalous local access or memory read behaviors indicative of exploitation attempts. 5. Conduct regular security audits and vulnerability assessments focusing on Huawei devices within the organization to identify and mitigate potential attack vectors. 6. Educate staff about the risks of local device access and enforce strong authentication and access controls to reduce insider threat risks. 7. Consider network segmentation to isolate Huawei devices from critical systems to limit potential lateral movement in case of compromise.

Description

Out-of-bounds read issue in the media subsystem. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

Impact

For European organizations, the primary impact of CVE-2026-24915 is the potential unauthorized disclosure of sensitive information due to the out-of-bounds read vulnerability in the media subsystem of HarmonyOS devices. This can compromise confidentiality of user data, intellectual property, or sensitive communications processed by affected devices. Since exploitation requires local access but no privileges or user interaction, insider threats or attackers with physical or local network access could leverage this vulnerability. The impact on availability and integrity is minimal, but confidentiality breaches can lead to regulatory non-compliance under GDPR, reputational damage, and potential financial losses. Organizations relying on Huawei devices for critical communications or media processing should consider this vulnerability a moderate risk, especially in environments with less stringent physical or network access controls. The absence of known exploits reduces immediate risk but does not eliminate the threat, emphasizing the need for vigilance and proactive mitigation.

CWE-125Out-of-bounds Read (opens in a new tab)
Base weaknessCWE Top 25 (2025): #8
The product reads data past the end, or before the beginning, of the intended buffer.
Implementation · Input Validation
Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
Architecture and Design · Language Selection
Use a language that provides appropriate memory abstractions.
OWASP Cheat Sheets
XML Security (opens in a new tab)
Mass Assignment (opens in a new tab)
OWASP ASVS 4.0.3
V13.3.1 (opens in a new tab)
V5.1.4 (opens in a new tab)
V5.1.3 (opens in a new tab)
Attack patterns
Overread Buffers (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 6 Feb 2026, 09:01 UTC

WeaknessesCWE-125

Technical details

References

Community reviews

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