How severe is CVE-2022-46326?

CVE-2022-46326 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-46326 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-46326?

CVE-2022-46326 primarily affects Huawei Harmonyos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-46326?

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

When was CVE-2022-46326 published?

CVE-2022-46326 was published on 2022-12-20 and last updated on 2026-06-17.

CVE-2022-46326

CVE-2022-46326 is a critical-severity vulnerability in Huawei Harmonyos with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Huawei Harmonyos
Published: 2022-12-20
Last modified: 2026-06-17

Description

Some smartphones have the out-of-bounds write vulnerability. Successful exploitation of this vulnerability may cause system service exceptions.

Frequently asked questions

What is CVE-2022-46326?: Some smartphones have the out-of-bounds write vulnerability. Successful exploitation of this vulnerability may cause system service exceptions.
How severe is CVE-2022-46326?: CVE-2022-46326 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-46326 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-46326?: CVE-2022-46326 primarily affects Huawei Harmonyos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-46326?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-46326 published?: CVE-2022-46326 was published on 2022-12-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*

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