How severe is CVE-2026-27648?

CVE-2026-27648 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-27648 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-27648?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-27648 have an EU (EUVD) identifier?

Yes. CVE-2026-27648 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30829.

When was CVE-2026-27648 published?

CVE-2026-27648 was published on 2026-05-19 and last updated on 2026-06-17.

CVE-2026-27648

CVE-2026-27648 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30829
Weakness: CWE-787
Published: 2026-05-19
Last modified: 2026-06-17

Description

in OpenHarmony v6.0 and prior versions allow a remote attacker arbitrary code execution in pre-installed apps.

Frequently asked questions

What is CVE-2026-27648?: in OpenHarmony v6.0 and prior versions allow a remote attacker arbitrary code execution in pre-installed apps.
How severe is CVE-2026-27648?: CVE-2026-27648 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-27648 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-27648?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-27648 have an EU (EUVD) identifier?: Yes. CVE-2026-27648 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30829.
When was CVE-2026-27648 published?: CVE-2026-27648 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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