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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-0639

20
FAUCET Score

CVE-2026-0639 is a medium-severity vulnerability (CVSS 5.5) affecting OpenHarmony v6.0 and prior versions, where a local attacker can cause a Denial of Service (DoS) due to missing memory release. This flaw, categorized as CWE-401, requires low privileges and local access but no user interaction to achieve a high impact on system availability. Currently, there is no evidence of active exploitation, nor are there any public exploit codes available on platforms like Metasploit or ExploitDB. Community discussion and media coverage are also absent, indicating very low current attention or exploitation risk.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.0.3, <= 6.0CPE matchmatch criteria
cpe:2.3:o:openatom:openharmony:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.3LOW

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
5.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 31st percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gitcode.com / openharmony/security/tree/master/zh/security-disclosure/2026/2026-02.md
Vendor Advisory