CVE-2026-21385highunder attackCWE-190

CVE-2026-21385: high-severity vulnerability in Qualcomm, Inc. Snapdragon

Integer Overflow or Wraparound in Graphics

Published · Updated

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

51Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 7.8epss 1.3%
from disclosure to weapon
Published on NVDMar 2
CISA KEV+1d
Action required by CISAfederal deadline: 2026-03-24

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

In short

A flaw in how graphics memory is allocated can cause it to overflow, corrupting data in memory. This can lead to crashes or allow attackers to execute malicious code.

Technical detail

Integer overflow in memory alignment calculations during graphics buffer allocation allows heap corruption. Attack vector requires processing specially crafted graphical input; impact includes code execution or denial of service depending on memory layout and application context.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Memory corruption while using alignments for memory allocation.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H