How severe is CVE-2026-27781?

CVE-2026-27781 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-2026-27781 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-27781?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-27781 have an EU (EUVD) identifier?

Yes. CVE-2026-27781 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30828.

When was CVE-2026-27781 published?

CVE-2026-27781 was published on 2026-05-19 and last updated on 2026-06-17.

CVE-2026-27781

CVE-2026-27781 is a low-severity vulnerability 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-190.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30828
Weakness: CWE-190
Published: 2026-05-19
Last modified: 2026-06-17

Description

in OpenHarmony v6.0 and prior versions allow a local attacker cause DOS.

Frequently asked questions

What is CVE-2026-27781?: in OpenHarmony v6.0 and prior versions allow a local attacker cause DOS.
How severe is CVE-2026-27781?: CVE-2026-27781 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-2026-27781 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-27781?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27781 have an EU (EUVD) identifier?: Yes. CVE-2026-27781 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30828.
When was CVE-2026-27781 published?: CVE-2026-27781 was published on 2026-05-19 and last updated on 2026-06-17.

References

https://gitcode.com/openharmony/security/tree/master/zh/security-disclosure/2026/2026-04.md

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