CVE-2026-0639
CVE-2026-0639 is a low-severity vulnerability in Openatom Openharmony with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.
Key facts
- Severity: Low (CVSS 3.x base score 3.3)
- EPSS exploit prediction: 0% (5th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-12341
- Weakness: CWE-401
- Affected product: Openatom Openharmony
- Published:
- Last modified:
Description
in OpenHarmony v6.0 and prior versions allow a local attacker case DOS through missing release of memory.
Frequently asked questions
- What is CVE-2026-0639?
- in OpenHarmony v6.0 and prior versions allow a local attacker case DOS through missing release of memory.
- How severe is CVE-2026-0639?
- CVE-2026-0639 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2026-0639 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-0639?
- CVE-2026-0639 affects Openatom Openharmony. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-0639?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-0639 have an EU (EUVD) identifier?
- Yes. CVE-2026-0639 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12341.
- When was CVE-2026-0639 published?
- CVE-2026-0639 was published on 2026-03-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:openatom:openharmony:*:*:*:*:-:*:*:*
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