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MEDIUM · 4.4

CVE-2026-20439

In imgsys, there is a possible system crash due to use after free. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not ne...

Vulnerability Description

In imgsys, there is a possible system crash due to use after free. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10431955; Issue ID: MSV-5826.

CVSS Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
GoogleAndroid15.0
MediatekMt2718-
MediatekMt6899-
MediatekMt6991-
MediatekMt8678-
MediatekMt8793-

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2026-20439?

CVE-2026-20439 is a vulnerability with a CVSS score of 4.4 (MEDIUM). In imgsys, there is a possible system crash due to use after free. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not ne...

How severe is CVE-2026-20439?

CVE-2026-20439 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20439?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android, Mediatek Mt2718, Mediatek Mt6899, Mediatek Mt6991, Mediatek Mt8678.