How severe is CVE-2016-3893?

CVE-2016-3893 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-3893 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3893?

CVE-2016-3893 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-3893?

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

When was CVE-2016-3893 published?

CVE-2016-3893 was published on 2016-09-11 and last updated on 2026-06-17.

CVE-2016-3893

CVE-2016-3893 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 5.5. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Google Android
Published: 2016-09-11
Last modified: 2026-06-17

Description

The wcdcal_hwdep_ioctl_shared function in sound/soc/codecs/wcdcal-hwdep.c in the Qualcomm sound codec in Android before 2016-09-05 on Nexus 6P devices does not properly copy firmware data, which allows attackers to obtain sensitive information via a crafted application, aka Android internal bug 29512527 and Qualcomm internal bug CR856400.

Frequently asked questions

What is CVE-2016-3893?: The wcdcal_hwdep_ioctl_shared function in sound/soc/codecs/wcdcal-hwdep.c in the Qualcomm sound codec in Android before 2016-09-05 on Nexus 6P devices does not properly copy firmware data, which allows attackers to obtain sensitive information via a crafted application, aka Android internal bug 29512527 and Qualcomm internal bug CR856400.
How severe is CVE-2016-3893?: CVE-2016-3893 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-3893 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3893?: CVE-2016-3893 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-3893?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-3893 published?: CVE-2016-3893 was published on 2016-09-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:google:android:*:*:*:*:*:*:*:*

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